| Athlete |
Nation(s) |
Sport(s) |
Role(s) |
Era |
Notes |
| Nathan Adrian |
 USA |
SWM |
Olympics |
2008—2016 |
4×100 m freestyle relay – 9 April 2008 - 20 December 2008 and 19 December 2009 - 11 December 2018: 3:08.44 (9 April 2008; Manchester, GBR), 3:03.30 (19 December 2009; Manchester, GBR); 4×100 m medley relay – 18 December 2009 - 20 December 2009: 3:20.71 (18 December 2009; Manchester, GBR) |
| Jasper Aerents |
 BEL |
SWM |
Olympics |
2012—2016 |
4×50 m freestyle relay – 15 December 2013 - 15 December 2013: 1:25.52 (15 December 2013; Herning, DEN) |
| Yannick Agnel |
 FRA |
SWM |
Olympics |
2012—2016 |
400 m freestyle – 15 November 2012 - present: 3:32.25 (15 November 2012; Angers, FRA) |
| Franziska van Almsick |
 GER |
SWM |
Olympics |
1992—2004 |
50 m freestyle – 4 November 1992 - 3 December 1993: 24.75 (4 November 1992; Schwäbisch Gmünd, GER); 100 m freestyle – 6 January 1993 - 2 December 1993: 53.46 (6 January 1993; Shanghai, CHN), 53.33 (10 January 1993; Beijing, CHN); 200 m freestyle – 9 January 1993 - 1 December 1995: 1:55.84 (9 January 1993; Beijing, CHN) |
| Therèse Alshammar |
 SWE |
SWM |
Olympics / Other |
1996—2016 |
50 m freestyle – 11 December 1999 - 17 November 2007: 24.09 (11 December 1999; Lisboa, POR), 23.59 (18 March 2000; Athina, GRE); 100 m freestyle – 10 December 1999 - 8 August 2005: 52.80 (10 December 1999; Lisboa, POR), 52.17 (17 March 2000; Athina, GRE); 50 m butterfly – 12 November 2008 - 15 November 2008 and 17 October 2009 - present: 25.31 (12 November 2008; Stockholm, SWE), 24.75 (17 October 2009; Durban, RSA), 24.46 (11 November 2009; Stockholm, SWE), 24.38 (22 November 2009; Singapore, SGP); 100 m medley – 17 October 2009 - 11 November 2009: 58.51 (17 October 2009; Durban, RSA); 4×100 m medley relay – 5 April 2002 - 9 October 2004: 3:55.78 (5 April 2002; Moskva, RUS) |
| Michael Andrew |
USA |
SWM |
Olympics |
2020 |
4×50 m medley relay (mixed) – 13 December 2018 - 5 December 2019: 1:36.40 (13 December 2018; Hangzhou, CHN) |
| Ayari Aoyama |
 JPN |
SWM |
Olympics |
1996 |
100 m butterfly – 28 March 1997 - 19 April 1997: 58.24 (28 March 1997; Tokyo, JPN); 4×100 m medley relay – 4 April 1999 - 17 March 2000: 3:57.62 (4 April 1999; Hongkong, HKG) |
| Alia Atkinson |
 JAM |
SWM |
Olympics |
2004—2020 |
50 m breaststroke – 26 October 2016 - 17 December 2022: 28.64 (26 October 2016; Tokyo, JPN), 28.56 (6 October 2018; Budapest, HUN); 100 m breaststroke – 3 December 2014 - present: 1:02.36 tied (3 December 2014; Doha, QAT), 1:02.36 tied (26 August 2016; Chartres, FRA) |
| Coralie Balmy |
FRA |
SWM |
Olympics |
2008—2016 |
200 m freestyle – 6 December 2008 - 14 December 2008: 1:53.18 (6 December 2008; Angers, FRA) |
| Joe Bartoch |
 CAN |
SWM |
Olympics |
2008—2012 |
4×100 m medley relay – 9 August 2009 - 18 December 2009: 3:23.33 (9 August 2009; Leeds, GBR) |
| Mireia Belmonte |
 ESP |
SWM |
Olympics / Other |
2008—2020 |
400 m freestyle – 11 August 2013 - 4 October 2018: 3:54.52 (11 August 2013; Berlin, GER); 800 m freestyle – 10 August 2013 - 5 November 2022: 7:59.34 (10 August 2013; Berlin, GER); 1500 m freestyle – 29 November 2013 - 9 August 2014 and 12 December 2014 - 16 November 2019: 15:26.95 (29 November 2013; Castelló de la Plana, ESP), 15:19.71 (12 December 2014; Sabadell, ESP); 200 m butterfly – 3 December 2014 - present: 1:59.61 (3 December 2014; Doha, QAT); 400 m medley – 14 December 2008 - 22 November 2009, 3 December 2014 - 2 December 2015, and 12 August 2017 - present: 4:25.06 (14 December 2008; Rijeka, CRO), 4:19.86 (3 December 2014; Doha, QAT), 4:18.94 (12 August 2017; Eindhoven, NED) |
| Janine Belton |
 GBR |
SWM |
Olympics |
1996—2000 |
4×200 m freestyle relay – 10 August 2001 - 3 April 2002: 7:47.14 (10 August 2001; Norwich, GBR) |
| Lindsay Benko |
USA |
SWM |
Olympics |
2000—2004 |
200 m freestyle – 7 April 2002 - 19 November 2005: 1:54.04 (7 April 2002; Moskva, RUS); 400 m freestyle – 26 January 2003 - 10 December 2005: 3:59.53 (26 January 2003; Berlin, GER) |
| Alain Bernard |
FRA |
SWM |
Olympics |
2008—2012 |
100 m freestyle – 7 December 2008 - 12 December 2008: 45.69 (7 December 2008; Angers, FRA) |
| Paul Biedermann |
GER |
SWM |
Olympics |
2008—2016 |
200 m freestyle – 16 November 2008 - present: 1:40.83 (16 November 2008; Berlin, GER), 1:39.37 (15 November 2009; Berlin, GER); 400 m freestyle – 14 November 2009 - 15 November 2012: 3:32.77 (14 November 2009; Berlin, GER) |
| Pernille Blume |
 DEN |
SWM |
Olympics / Other |
2012—2020 |
4×50 m freestyle relay – 12 December 2013 - 7 December 2014: 1:37.04 (12 December 2013; Herning, DEN); 4×50 m medley relay – 15 December 2013 - 7 December 2016: 1:45.92 (15 December 2013; Herning, DEN), 1:44.81 (15 December 2013; Herning, DEN), 1:44.04 (5 December 2014; Doha, QAT) |
| Thom de Boer |
 NED |
SWM |
Olympics |
2020 |
4×50 m medley relay (mixed) – 7 November 2021 - 14 December 2022: 1:36.18 (7 November 2021; Kazan, RUS) |
| Gustavo Borges |
 BRA |
SWM |
Olympics / Other |
1992—2004 |
100 m freestyle – 2 July 1993 - 1 January 1994: 47.94 (2 July 1993; Santos, BRA); 4×100 m freestyle relay – 7 July 1993 - 16 March 2000: 3:13.97 (7 July 1993; Santos, BRA), 3:12.11 (5 December 1993; Palma de Mallorca, ESP), 3:10.45 (20 December 1998; Rio de Janeiro, BRA) |
| Susanne Börnike |
 GDR |
SWM |
Olympics |
1988 |
200 m breaststroke – 12 February 1989 - 3 December 1993: 2:22.92 (12 February 1989; Bonn, FRG) |
| Fréd Bousquet |
FRA |
SWM |
Olympics |
2000—2016 |
50 m freestyle – 25 March 2004 - 12 August 2006: 21.10 (25 March 2004; East Meadow, USA); 4×100 m freestyle relay – 20 December 2008 - 19 December 2009: 3:04.98 (20 December 2008; Istres, FRA) |
| George Bovell |
 TTO |
SWM |
Olympics / Other |
2000—2016 |
200 m medley – 25 March 2004 - 8 December 2005: 1:53.93 (25 March 2004; East Meadow, USA) |
| Lauren Boyle |
 NZL |
SWM |
Olympics |
2008—2016 |
1500 m freestyle – 9 August 2014 - 12 December 2014: 15:22.68 (9 August 2014; Wellington, NZL) |
| Grant Brits |
 AUS |
SWM |
Olympics |
2008 |
4×200 m freestyle relay – 31 August 2007 - 7 August 2009: 6:52.66 (31 August 2007; Melbourne, AUS) |
| Erika Brown |
USA |
SWM |
Olympics |
2020 |
4×100 m medley relay – 21 November 2020 - 18 December 2022: 3:44.52 (21 November 2020; Budapest, HUN) |
| Cameron van der Burgh |
 RSA |
SWM |
Olympics |
2008—2016 |
50 m breaststroke – 8 November 2008 - 27 December 2021: 26.08 (8 November 2008; Moskva, RUS), 25.94 (11 November 2008; Stockholm, SWE), 25.43 (8 August 2009; Pietermaritzburg, RSA), 25.25 (14 November 2009; Berlin, GER); 100 m breaststroke – 9 November 2008 - 15 November 2020: 56.88 (9 November 2008; Moskva, RUS), 56.39 (8 August 2009; Pietermaritzburg, RSA), 55.99 (9 August 2009; Pietermaritzburg, RSA), 55.61 (15 November 2009; Berlin, GER) |
| Kim Busch |
NED |
SWM |
Olympics / YOG |
2014—2020 |
4×50 m freestyle relay – 12 December 2020 - present: 1:32.50 (12 December 2020; Eindhoven, NED) |
| Ashley Callus |
AUS |
SWM |
Olympics |
2000—2008 |
4×100 m medley relay – 4 September 2002 - 25 March 2004: 3:28.12 (4 September 2002; Melbourne, AUS) |
| Bronte Campbell |
AUS |
SWM |
Olympics |
2012—2020 |
4×50 m freestyle relay (mixed) – 10 November 2013 - 14 December 2013: 1:31.13 (10 November 2013; Tokyo, JPN), 1:29.61 (10 November 2013; Tokyo, JPN) |
| Cate Campbell |
AUS |
SWM |
Olympics / Other |
2008—2020 |
100 m freestyle – 28 November 2015 - 3 August 2017 and 26 October 2017 - present: 50.91 (28 November 2015; Sydney, AUS), 50.25 (26 October 2017; Adelaide, AUS); 4×50 m freestyle relay (mixed) – 10 November 2013 - 14 December 2013: 1:31.13 (10 November 2013; Tokyo, JPN), 1:29.61 (10 November 2013; Tokyo, JPN); 4×50 m medley relay (mixed) – 5 November 2013 - 21 December 2013: 1:39.08 (5 November 2013; Singapore, SGP), 1:38.02 (5 November 2013; Singapore, SGP), 1:37.84 (9 November 2013; Tokyo, JPN) |
| Chad Carvin |
USA |
SWM |
Olympics |
2000 |
4×200 m freestyle relay – 17 March 2000 - 7 August 2001: 7:01.33 (17 March 2000; Athina, GRE) |
| Milorad Čavić |
 SRB
 SCG |
SWM |
Olympics |
2000—2012 |
100 m butterfly – 12 December 2003 - 26 March 2004: 50.02 (12 December 2003; Dublin, IRL) (competed for Serbia and Montenegro) |
| Thomas Ceccon |
 ITA |
SWM |
Olympics / YOG |
2018—2020 |
4×100 m freestyle relay – 13 December 2022 - present: 3:02.75 (13 December 2022; Melbourne, AUS) |
| Kyle Chalmers |
AUS |
SWM |
Olympics / YOG |
2014—2020 |
100 m freestyle – 29 October 2021 - present: 44.84 (29 October 2021; Kazan, RUS); 4×100 m medley relay – 18 December 2022 - present: 3:18.98 tied (18 December 2022; Melbourne, AUS) |
| Chao Na |
 CHN |
SWM |
Olympics |
1996 |
4×100 m freestyle relay – 19 April 1997 - 8 April 2006: 3:34.55 (19 April 1997; Göteborg, SWE) |
| Chen Hua |
CHN |
SWM |
Olympics |
2000—2004 |
800 m freestyle – 2 December 2001 - 4 February 2002: 8:15.15 (2 December 2001; Shanghai, CHN) |
| Chen Qian |
CHN |
SWM |
Olympics |
2012 |
4×200 m freestyle relay – 15 December 2010 - 3 December 2014: 7:35.94 (15 December 2010; Dubai, UAE) |
| Chen Yan |
CHN |
SWM |
Olympics |
1996—2000 |
4×200 m freestyle relay – 17 April 1997 - 1 April 1999: 7:51.92 (17 April 1997; Göteborg, SWE) |
| César Cielo Filho |
BRA |
SWM |
Olympics |
2008—2012 |
4×50 m medley relay – 4 December 2014 - 17 December 2017: 1:30.51 (4 December 2014; Doha, QAT) |
| Jon Cleveland |
CAN |
SWM |
Olympics |
1988—1996 |
4×100 m medley relay – 22 February 1992 - 2 December 1993: 3:34.86 (22 February 1992; Winnipeg, CAN) |
| Piero Codia |
ITA |
SWM |
Olympics |
2016 |
4×50 m medley relay – 12 December 2013 - 4 December 2014: 1:33.65 (12 December 2013; Herning, DEN), 1:32.83 (12 December 2013; Herning, DEN) |
| Michelle Coleman |
SWE |
SWM |
Olympics |
2012—2020 |
4×50 m freestyle relay – 12 December 2013 - 12 December 2013: 1:37.21 (12 December 2013; Herning, DEN); 4×50 m medley relay – 17 December 2021 - 17 December 2022: 1:42.38 tied (17 December 2021; Abu Dhabi, UAE) |
| Jack Conger |
USA |
SWM |
Olympics |
2016 |
4×50 m freestyle relay – 14 December 2018 - present: 1:21.80 (14 December 2018; Hangzhou, CHN) |
| Isaac Cooper |
AUS |
SWM |
Olympics |
2020 |
4×100 m medley relay – 18 December 2022 - present: 3:18.98 tied (18 December 2022; Melbourne, AUS) |
| Haley Cope |
USA |
SWM |
Olympics |
2004 |
50 m backstroke – 18 March 2000 - 2 December 2001: 27.25 (18 March 2000; Indianapolis, USA) |
| Kevin Cordes |
USA |
SWM |
Olympics |
2016 |
4×50 m medley relay (mixed) – 21 December 2013 - 13 December 2018: 1:37.17 (21 December 2013; Glasgow, GBR) |
| Breno Correia |
BRA |
SWM |
Olympics |
2020 |
4×200 m freestyle relay – 14 December 2018 - 16 December 2022: 6:46.81 (14 December 2018; Hangzhou, CHN) |
| Ritz Correia |
USA |
SWM |
Olympics |
2004 |
4×100 m medley relay – 17 March 2000 - 5 April 2002: 3:57.46 (17 March 2000; Indianapolis, USA) |
| Natalie Coughlin |
USA |
SWM |
Olympics |
2004—2012 |
100 m backstroke – 29 November 2001 - 22 February 2009: 57.08 (29 November 2001; East Meadow, USA), 56.71 (23 November 2002; East Meadow, USA), 56.51 (28 October 2007; Singapore, SGP); 200 m backstroke – 27 November 2001 - 23 February 2008: 2:03.62 (27 November 2001; East Meadow, USA); 100 m butterfly – 22 November 2002 - 28 August 2006: 56.34 (22 November 2002; East Meadow, USA); 100 m medley – 23 November 2002 - 10 August 2009: 58.80 (23 November 2002; East Meadow, USA); 4×100 m medley relay – 16 December 2011 - 11 December 2015: 3:45.56 (16 December 2011; Atlanta, USA) |
| Alicia Coutts |
AUS |
SWM |
Olympics |
2008—2016 |
4×50 m medley relay (mixed) – 5 November 2013 - 21 December 2013: 1:39.08 (5 November 2013; Singapore, SGP), 1:38.02 (5 November 2013; Singapore, SGP), 1:37.84 (9 November 2013; Tokyo, JPN) |
| Kirsty Coventry |
 ZIM |
SWM |
Olympics / Other / Administrator |
2000—2023 |
200 m backstroke – 11 April 2008 - 14 November 2009: 2:00.91 (11 April 2008; Manchester, GBR); 200 m medley – 12 April 2008 - 6 November 2009: 2:06.13 (12 April 2008; Manchester, GBR); 400 m medley – 9 April 2008 - 28 November 2008: 4:26.52 (9 April 2008; Manchester, GBR) |
| Ian Crocker |
USA |
SWM |
Olympics |
2000—2008 |
100 m freestyle – 27 March 2004 - 17 November 2007: 46.25 (27 March 2004; East Meadow, USA); 50 m butterfly – 10 October 2004 - 17 December 2005: 22.71 (10 October 2004; Indianapolis, USA); 100 m butterfly – 26 March 2004 - 7 November 2009: 49.77 (26 March 2004; East Meadow, USA), 49.07 (26 March 2004; East Meadow, USA); 4×100 m medley relay – 25 March 2004 - 13 April 2008: 3:25.38 (25 March 2004; East Meadow, USA), 3:25.09 (11 October 2004; Indianapolis, USA) |
| László Cseh, Jr. |
 HUN |
SWM |
Olympics / Other |
2004—2020 |
200 m medley – 8 December 2005 - 7 April 2006 and 13 December 2007 - 11 April 2008: 1:53.46 (8 December 2005; Trieste, ITA), 1:52.99 (13 December 2007; Debrecen, HUN); 400 m medley – 9 December 2005 - 16 December 2010: 4:00.37 (9 December 2005; Trieste, ITA), 3:59.33 (14 December 2007; Debrecen, HUN), 3:57.27 (11 December 2009; İstanbul, TUR) |
| Claire Curzan |
USA |
SWM |
Olympics |
2020 |
4×100 m medley relay – 18 December 2022 - present: 3:44.35 (18 December 2022; Melbourne, AUS) |
| Attila Czene |
HUN |
SWM |
Olympics |
1992—2000 |
200 m medley – 23 March 2000 - 25 March 2004: 1:54.65 tied (23 March 2000; Minneapolis, USA) |
| Tommaso D'Orsogna |
AUS |
SWM |
Olympics |
2012 |
4×50 m freestyle relay (mixed) – 10 November 2013 - 14 December 2013: 1:31.13 (10 November 2013; Tokyo, JPN), 1:29.61 (10 November 2013; Tokyo, JPN) |
| Josh Davis |
USA |
SWM |
Olympics |
1996—2000 |
4×200 m freestyle relay – 17 March 2000 - 7 August 2001: 7:01.33 (17 March 2000; Athina, GRE) |
| Fred Deburghgraeve |
BEL |
SWM |
Olympics |
1992—1996 |
100 m breaststroke – 17 February 1996 - 17 March 2000: 59.02 (17 February 1996; Bastogne, BEL), 58.79 (4 December 1998; Texas, USA) |
| Markus Deibler |
GER |
SWM |
Olympics |
2008—2012 |
100 m medley – 7 December 2014 - 26 August 2016: 50.66 (7 December 2014; Doha, QAT) |
| Steffen Deibler |
GER |
SWM |
Olympics |
2008—2016 |
50 m butterfly – 24 October 2009 - 6 October 2018: 22.06 (24 October 2009; Aachen, GER), 21.80 (14 November 2009; Berlin, GER) |
| Inge Dekker |
NED |
SWM |
Olympics |
2004—2016 |
4×50 m freestyle relay – 7 December 2014 - 17 December 2017: 1:35.74 (7 December 2014; Doha, QAT), 1:34.24 (7 December 2014; Doha, QAT); 4×100 m freestyle relay – 8 April 2006 - 2 September 2007 and 12 April 2008 - 13 December 2022: 3:33.32 (8 April 2006; Shanghai, CHN), 3:29.42 (12 April 2008; Manchester, GBR), 3:28.22 (19 December 2008; Amsterdam, NED), 3:26.53 (5 December 2014; Dohar, QAT); 4×200 m freestyle relay – 9 April 2008 - 15 December 2010 and 3 December 2014 - 14 December 2022: 7:38.90 (9 April 2008; Manchester, GBR), 7:32.85 (3 December 2014; Doha, QAT) |
| Claire Donahue |
USA |
SWM |
Olympics |
2012 |
4×50 m medley relay mixed – 21 December 2013 - 13 December 2018: 1:37.17 (21 December 2013; Glasgow, GBR) |
| Stanislav Donets |
 RUS |
SWM |
Olympics |
2008 |
100 m backstroke – 14 December 2008 - 21 December 2008 and 13 December 2009 - 18 December 2009: 49.32 (14 December 2008; Rijeka, CRO), 48.97 tied (13 December 2009; İstanbul, TUR); 4×100 m medley relay – 13 April 2008 - 9 August 2009 and 20 December 2009 - 18 December 2022: 3:24.29 (13 April 2008; Manchester, GBR), 3:19.16 (20 December 2009; Saint Petersburg, RUS) |
| Luca Dotto |
ITA |
SWM |
Olympics |
2012—2016 |
4×50 m medley relay – 12 December 2013 - 12 December 2013: 1:33.65 (12 December 2013; Herning, DEN) |
| Kate Douglass |
USA |
SWM |
Olympics / YOG |
2018—2020 |
4×100 m medley relay – 18 December 2022 - present: 3:44.35 (18 December 2022; Melbourne, AUS); 4×50 m medley relay (mixed) – 14 December 2022 - present: 1:35.15 (14 December 2022; Melbourne, AUS) |
| Duje Draganja |
 CRO |
SWM |
Olympics |
2000—2008 |
50 m freestyle – 11 April 2008 - 7 September 2008: 20.81 (11 April 2008; Manchester, GBR) |
| Caeleb Dressel |
USA |
SWM |
Olympics |
2016—2020 |
50 m freestyle – 20 December 2019 - present: 20.24 (20 December 2019; Las Vegas, USA), 20.16 (21 November 2020; Budapest, HUN); 100 m butterfly – 21 November 2020 - present: 47.78 (21 November 2020; Budapest, HUN); 100 m medley – 16 November 2020 - present: 49.88 (16 November 2020; Budapest, HUN), 49.28 (22 November 2020; Budapest, HUN); 4×50 m freestyle relay – 14 December 2018 - present: 1:21.80 (14 December 2018; Hangzhou, CHN); 4×100 m freestyle relay – 11 December 2018 - 13 December 2022: 3:03.03 (11 December 2018; Hangzhou, CHN); 4×50 m freestyle relay (mixed) – 12 December 2018 - 16 December 2022: 1:27.89 (12 December 2018; Hangzhou, CHN); 4×50 m medley relay (mixed) – 13 December 2018 - 5 December 2019: 1:36.40 (13 December 2018; Hangzhou, CHN) |
| Matt Dunn |
AUS |
SWM |
Olympics |
1992—2000 |
400 m medley – 24 September 1998 - 23 February 2003: 4:04.24 (24 September 1998; Perth, AUS); 4×200 m freestyle relay – 18 April 1997 - 17 March 2000: 7:02.74 (18 April 1997; Göteborg, SWE), 7:01.60 (1 September 1999; Canberra, AUS) |
| Sophie Edington |
AUS |
SWM |
Olympics |
2008 |
4×100 m medley relay – 9 October 2004 - 7 April 2006: 3:54.95 (9 October 2004; Indianapolis, USA) |
| Anthony Ervin |
USA |
SWM |
Olympics |
2000—2016 |
50 m freestyle – 23 March 2000 - 28 January 2001: 21.21 (23 March 2000; Minneapolis, USA) |
| Franck Esposito |
FRA |
SWM |
Olympics |
1992—2004 |
200 m butterfly – 1 February 1992 - 6 February 1993, 26 March 1994 - 2 February 1997, 14 January 2001 - 1 December 2001, and 8 December 2002 - 13 December 2008: 1:54.67 (1 February 1992; Paris, FRA), 1:53.05 (26 March 1994; Paris, FRA), 1:51.58 (14 January 2001; Antibes, FRA), 1:50.73 (8 December 2002; Antibes, FRA) |
| Teófilo Ferreira |
BRA |
SWM |
Olympics |
1992 |
4×100 m freestyle relay – 7 July 1993 - 20 December 1998: 3:13.97 (7 July 1993; Santos, BRA), 3:12.11 (5 December 1993; Palma de Mallorca, ESP) |
| Sergey Fesikov |
RUS |
SWM |
Olympics |
2008—2012 |
100 m medley – 14 November 2009 - 12 December 2009: 50.95 (14 November 2009; Berlin, GER); 4×50 m freestyle relay – 15 December 2013 - 14 December 2018: 1:23.36 (15 December 2013; Herning, DEN), 1:22.60 (6 December 2014; Doha, QAT); 4×50 m freestyle relay (mixed) – 14 December 2013 - 6 December 2014: 1:29.53 (14 December 2013; Herning, DEN) |
| Alessia Filippi |
ITA |
SWM |
Olympics |
2004—2012 |
800 m freestyle – 12 December 2008 - 16 November 2012: 8:04.53 (12 December 2008; Rijeka, CRO) |
| Nic Fink |
USA |
SWM |
Olympics |
2020 |
4×100 m medley relay – 18 December 2022 - present: 3:18.98 tied (18 December 2022; Melbourne, AUS); 4×50 m medley relay (mixed) – 14 December 2022 - present: 1:35.15 (14 December 2022; Melbourne, AUS) |
| Mark Foster |
GBR |
SWM |
Olympics / Other |
1988—2008 |
50 m freestyle – 17 February 1993 - 13 March 1994, 13 December 1998 - 23 March 2000, and 28 January 2001 - 25 March 2004: 21.60 (17 February 1993; Sheffield, GBR), 21.48 (13 December 1998; Sheffield, GBR), 21.31 (13 December 1998; Sheffield, GBR), 21.13 (28 January 2001; Paris, FRA); 50 m butterfly – 13 February 1993 - 8 February 1997 and 17 January 2001 - 18 December 2001: 23.72 (13 February 1993; Gelsenkirchen, GER), 23.72 tied (19 March 1994; Gelsenkirchen, GER), 23.68 (22 March 1994; Sheffield, GBR), 23.55 (11 February 1995; Sheffield, GBR), 23.45 (15 December 1995; Sheffield, GBR), 22.87 (17 January 2001; Sheffield, GBR) |
| Felipe França |
BRA |
SWM |
Olympics |
2008—2016 |
4×50 m medley relay – 4 December 2014 - 17 December 2017: 1:30.51 (4 December 2014; Doha, QAT) |
| Missy Franklin |
USA |
SWM |
Olympics |
2012—2016 |
200 m backstroke – 22 October 2011 - 5 December 2014: 2:00.03 (22 October 2011; Berlin, GER); 4×100 m medley relay – 16 December 2011 - 11 December 2015: 3:45.56 (16 December 2011; Atlanta, USA) |
| Lotte Friis |
DEN |
SWM |
Olympics / Other |
2008—2016 |
1500 m freestyle – 29 November 2009 - 29 November 2013: 15:28.65 (29 November 2009; København, DEN) |
| Lars Frölander |
SWE |
SWM |
Olympics / Other |
1992—2012 |
50 m butterfly – 19 March 2000 - 19 June 2000: 23.19 (19 March 2000; Athina, GRE); 100 m butterfly – 16 March 2000 - 14 December 2001: 50.59 (16 March 2000; Athina, GRE), 50.44 (17 March 2000; Athina, GRE); 4×100 m freestyle relay – 16 March 2000 - 9 April 2008: 3:09.57 (16 March 2000; Athina, GRE) |
| Chris Fydler |
AUS |
SWM |
Olympics |
1992—2000 |
4×100 m medley relay – 4 April 1999 - 7 April 2002: 3:29.88 (4 April 1999; Hongkong, HKG) |
| Felicity Galvez |
AUS |
SWM |
Olympics |
2004—2008 |
50 m butterfly – 11 April 2008 - 12 November 2008: 25.32 (11 April 2008; Manchester, GBR); 100 m butterfly – 13 April 2008 - 26 April 2008 and 11 November 2009 - 12 December 2009: 55.89 (13 April 2008; Manchester, GBR), 55.46 (11 November 2009; Stockholm, SWE) |
| Mark Gangloff |
USA |
SWM |
Olympics |
2004—2008 |
4×100 m medley relay – 18 December 2009 - 20 December 2009: 3:20.71 (18 December 2009; Manchester, GBR) |
| Béryl Gastaldello |
FRA |
SWM |
Olympics |
2016—2020 |
4×50 m freestyle relay (mixed) – 16 December 2022 - present: 1:27.33 (16 December 2022; Melbourne, AUS) |
| Marcel Gery |
CAN |
SWM |
Olympics |
1992 |
50 m butterfly – 23 February 1990 - 29 March 1991: 24.11 (23 February 1990; Leicester, GBR) |
| Nick Gillingham |
GBR |
SWM |
Olympics |
1988—1996 |
200 m breaststroke – 20 October 1991 - 28 August 1993: 2:07.93 (20 October 1991; Birmingham, GBR) |
| Fabien Gilot |
FRA |
SWM |
Olympics |
2004—2016 |
4×100 m freestyle relay – 20 December 2008 - 19 December 2009: 3:04.98 (20 December 2008; Istres, FRA) |
| Yoris Grandjean |
BEL |
SWM |
Olympics |
2008 |
4×50 m freestyle relay – 15 December 2013 - 15 December 2013: 1:25.52 (15 December 2013; Herning, DEN) |
| Andrey Grechin |
RUS |
SWM |
Olympics |
2008—2016 |
4×50 m medley relay (mixed) – 12 October 2013 - 20 October 2013: 1:41.70 (12 October 2013; Moskva, RUS) |
| Joel Greenshields |
CAN |
SWM |
Olympics |
2008 |
4×200 m freestyle relay – 7 August 2009 - 16 December 2010: 6:51.05 (7 August 2009; Leeds, GBR) |
| Steve Gregg |
USA |
SWM |
Olympics |
1976 |
50 m freestyle – 21 March 1992 - 17 February 1993: 21.64 (21 March 1992; Dallas, USA) |
| Matt Grevers |
USA |
SWM |
Olympics |
2008—2012 |
100 m backstroke – 12 December 2015 - 22 December 2017: 48.92 (12 December 2015; Indianapolis, USA); 4×100 m freestyle relay – 19 December 2009 - 11 December 2018: 3:03.30 (19 December 2009; Manchester, GBR); 4×50 m freestyle relay (mixed) – 6 December 2014 - 16 December 2017: 1:28.57 (6 December 2014; Doha, QAT) |
| Chantal Groot |
NED |
SWM |
Olympics |
2000—2008 |
4×100 m freestyle relay – 8 April 2006 - 2 September 2007: 3:33.32 (8 April 2006; Shanghai, CHN) |
| Michael Groß |
 FRG |
SWM |
Olympics |
1984—1988 |
200 m freestyle – 1 December 1981 - 11 February 1990: 1:44.50 (1 December 1981; Bremen, FRG), 1:44.14 (5 February 1988; Boulogne-Billancourt, FRA); 800 m freestyle – 3 February 1985 - 25 July 1993: 7:38.75 (3 February 1985; Bonn, FRG) |
| Maxime Grousset |
FRA |
SWM |
Olympics |
2020 |
4×50 m freestyle relay (mixed) – 16 December 2022 - present: 1:27.33 (16 December 2022; Melbourne, AUS) |
| Marieke Guehrer |
AUS |
SWM |
Olympics |
2004 |
50 m backstroke – 6 November 2009 - 10 November 2009: 26.17 (6 November 2009; Moskva, RUS); 50 m butterfly – 15 November 2008 - 17 October 2009: 24.99 (15 November 2008; Berlin, GER) |
| Guilherme Guido |
BRA |
SWM |
Olympics |
2008—2020 |
4×50 m medley relay – 4 December 2014 - 17 December 2017: 1:30.51 (4 December 2014; Doha, QAT) |
| Dániel Gyurta |
HUN |
SWM |
Olympics / Administrator |
2004—2016 |
200 m breaststroke – 13 December 2009 - 20 November 2016: 2:00.67 (13 December 2009; İstanbul, TUR), 2:00.48 (31 August 2014; Dubai, UAE) |
| Grant Hackett |
AUS |
SWM |
Olympics |
2000—2008 |
400 m freestyle – 2 April 1999 - 14 November 2009: 3:35.01 (2 April 1999; Hongkong, HKG), 3:34.58 (18 July 2002; Sydney, AUS); 800 m freestyle – 3 August 2001 - present: 7:25.28 (3 August 2001; Perth, AUS), 7:23.42 (20 July 2008; Melbourne, AUS); 1500 m freestyle – 27 September 1998 - 4 December 2015: 14:19.55 (27 September 1998; Perth, AUS), 14:10.10 (7 August 2001; Perth, AUS); 4×200 m freestyle relay – 18 April 1997 - 1 September 1999 and 7 August 2001 - 7 August 2009: 7:02.74 (18 April 1997; Göteborg, SWE), 6:56.41 (7 August 2001; Perth, AUS), 6:52.66 (31 August 2007; Melbourne, AUS) |
| Han Xue |
CHN |
SWM |
Olympics |
1996—2000 |
50 m breaststroke – 7 January 1996 - 26 September 1999: 31.11 (7 January 1996; Hongkong, HKG), 30.98 (11 January 1996; Beijing, CHN), 30.88 (29 January 1997; Glasgow, GBR), 30.77 (2 February 1997; Gelsenkirchen, GER) |
| Brendan Hansen |
USA |
SWM |
Olympics |
2004—2012 |
4×100 m medley relay – 25 March 2004 - 13 April 2008: 3:25.38 (25 March 2004; East Meadow, USA), 3:25.09 (11 October 2004; Indianapolis, USA) |
| Brooke Hanson |
AUS |
SWM |
Olympics |
2004 |
4×100 m medley relay – 9 October 2004 - 7 April 2006: 3:54.95 (9 October 2004; Indianapolis, USA) |
| Louise Hansson |
SWE |
SWM |
Olympics |
2016—2020 |
4×50 m freestyle relay – 12 December 2013 - 12 December 2013: 1:37.21 (12 December 2013; Herning, DEN); 4×50 m medley relay – 17 December 2021 - 17 December 2022: 1:42.38 tied (17 December 2021; Abu Dhabi, UAE) |
| Sophie Hansson |
SWE |
SWM |
Olympics / YOG |
2014—2020 |
4×50 m medley relay – 17 December 2021 - 17 December 2022: 1:42.38 tied (17 December 2021; Abu Dhabi, UAE) |
| Jessica Hardy |
USA |
SWM |
Olympics |
2012 |
50 m breaststroke – 10 April 2008 - 26 October 2016: 29.58 (10 April 2008; Manchester, GBR), 29.45 (17 October 2009; Durban, RSA), 29.36 (7 November 2009; Moskva, RUS), 28.96 (11 November 2009; Stockholm, SWE), 28.80 (14 November 2009; Berlin, GER); 4×100 m medley relay – 11 April 2008 - 9 August 2009 and 18 December 2009 - 16 December 2011: 3:51.36 (11 April 2008; Manchester, GBR), 3:47.97 (18 December 2009; Manchester, GBR) |
| Meg Harris |
AUS |
SWM |
Olympics |
2020 |
4×100 m freestyle relay – 13 December 2022 - present: 3:25.43 (13 December 2022; Melbourne, AUS) |
| Siobhán Haughey |
 HKG |
SWM |
Olympics / YOG |
2014—2020 |
200 m freestyle – 16 December 2021 - present: 1:50.31 (16 December 2021; Abu Dhabi, UAE) |
| Brent Hayden |
CAN |
SWM |
Olympics |
2004—2020 |
4×200 m freestyle relay – 7 August 2009 - 16 December 2010: 6:51.05 (7 August 2009; Leeds, GBR); 4×100 m medley relay – 9 August 2009 - 18 December 2009: 3:23.33 (9 August 2009; Leeds, GBR) |
| He Cihong |
CHN |
SWM |
Olympics |
1992—1996 |
200 m backstroke – 5 December 1993 - 4 August 2001: 2:06.09 (5 December 1993; Palma de Mallorca, ESP); 4×100 m medley relay – 5 December 1993 - 4 April 1999: 3:57.73 (5 December 1993; Palma de Mallorca, ESP) |
| Femke Heemskerk |
NED |
SWM |
Olympics |
2008—2020 |
4×50 m freestyle relay – 7 December 2014 - present: 1:34.24 (7 December 2014; Doha, QAT), 1:33.91 (15 December 2017; København, DEN), 1:32.50 (12 December 2020; Eindhoven, NED); 4×100 m freestyle relay – 9 September 2007 - 19 December 2008 and 5 December 2014 - 13 December 2022: 3:30.85 (9 September 2007; Eindhoven, NED), 3:29.42 (12 April 2008; Manchester, GBR), 3:26.53 (5 December 2014; Dohar, QAT); 4×200 m freestyle relay – 9 April 2008 - 15 December 2010 and 3 December 2014 - 14 December 2022: 7:38.90 (9 April 2008; Manchester, GBR), 7:32.85 (3 December 2014; Doha, QAT); 4×50 m freestyle relay (mixed) – 16 December 2017 - 12 December 2018: 1:28.39 (16 December 2017; København, DEN) |
| François Heersbrandt |
BEL |
SWM |
Olympics |
2008—2016 |
4×50 m freestyle relay – 15 December 2013 - 15 December 2013: 1:25.52 (15 December 2013; Herning, DEN) |
| Ryan Held |
USA |
SWM |
Olympics |
2016 |
4×50 m freestyle relay – 14 December 2018 - present: 1:21.80 (14 December 2018; Hangzhou, CHN); 4×100 m freestyle relay – 11 December 2018 - 13 December 2022: 3:03.03 (11 December 2018; Hangzhou, CHN); 4×50 m freestyle relay (mixed) – 12 December 2018 - 16 December 2022: 1:27.89 (12 December 2018; Hangzhou, CHN) |
| Mark Henderson |
USA |
SWM |
Olympics |
1996 |
4×100 m medley relay – 2 December 1993 - 23 December 1996: 3:32.57 (2 December 1993; Palma de Mallorca, ESP) |
| Mélanie Henique |
FRA |
SWM |
Olympics |
2016—2020 |
4×50 m freestyle relay (mixed) – 21 October 2013 - 10 November 2013 and 16 December 2022 - present: 1:31.14 (21 October 2013; Doha, QAT), 1:27.33 (16 December 2022; Melbourne, AUS); 4×50 m medley relay (mixed) – 20 October 2013 - 5 November 2013: 1:39.54 (20 October 2013; Doha, QAT) |
| Penny Heyns |
RSA |
SWM |
Olympics |
1992—2000 |
50 m breaststroke – 26 September 1999 - 3 December 2001: 30.60 (26 September 1999; Durban, RSA); 100 m breaststroke – 4 September 1999 - 6 April 2002: 1:05.57 (4 September 1999; Johannesburg, RSA), 1:05.40 (26 September 1999; Durban, RSA) |
| James Hickman |
GBR |
SWM |
Olympics |
1996—2004 |
100 m butterfly – 14 December 1998 - 2 September 1999: 51.02 (14 December 1998; Sheffield, GBR); 200 m butterfly – 28 March 1998 - 14 January 2001: 1:51.76 (28 March 1998; Paris, FRA) |
| Josef Hladky |
GER |
SWM |
Olympics |
1992 |
100 m medley – 16 May 1991 - 21 November 1992: 54.66 (16 May 1991; Bonn, GER) |
| Chelsea Hodges |
AUS |
SWM |
Olympics / YOG |
2018—2020 |
4×50 m medley relay – 17 December 2022 - present: 1:42.35 (17 December 2022; Melbourne, AUS) |
| Margaret Hoelzer |
USA |
SWM |
Olympics |
2004—2008 |
4×100 m medley relay – 11 April 2008 - 9 August 2009 and 18 December 2009 - 16 December 2011: 3:51.36 (11 April 2008; Manchester, GBR), 3:47.97 (18 December 2009; Manchester, GBR) |
| Anders Holmertz |
SWE |
SWM |
Olympics |
1984—1996 |
400 m freestyle – 4 February 1990 - 11 February 1995: 3:40.81 (4 February 1990; Paris, FRA); 4×100 m freestyle relay – 19 March 1989 - 7 July 1993: 3:14.00 (19 March 1989; Malmö, SWE) |
| Joakim Holmquist |
SWE |
SWM |
Olympics / Non-starter |
1988—1992 |
4×100 m freestyle relay – 19 March 1989 - 7 July 1993: 3:14.00 (19 March 1989; Malmö, SWE) |
| Tomoru Honda |
JPN |
SWM |
Olympics |
2020 |
200 m butterfly – 22 October 2022 - present: 1:46.85 (22 October 2022; Tokyo, JPN) |
| Katinka Hosszú |
HUN |
SWM |
Olympics / Other |
2004—2020 |
100 m backstroke – 4 December 2014 - 27 October 2019: 55.03 (4 December 2014; Doha, QAT); 200 m backstroke – 5 December 2014 - 27 November 2020: 1:59.23 (5 December 2014; Doha, QAT); 100 m medley – 8 August 2013 - present: 57.73 (8 August 2013; Eindhoven, NED), 57.50 (8 August 2013; Eindhoven, NED), 57.45 (11 August 2013; Berlin, GER), 57.25 (28 August 2014; Doha, QAT), 56.86 (1 September 2014; Dubai, UAE), 56.70 (5 December 2014; Doha, QAT), 56.67 (4 December 2015; Netanya, ISR), 56.51 (7 August 2017; Berlin, GER); 200 m medley – 7 August 2013 - present: 2:04.39 (7 August 2013; Eindhoven, NED), 2:03.20 (7 August 2013; Eindhoven, NED), 2:02.61 (27 August 2014; Doha, QAT), 2:02.13 (31 August 2014; Dubai, UAE), 2:01.86 (6 December 2014; Doha, QAT); 400 m medley – 11 August 2013 - 12 August 2017: 4:20.85 (11 August 2013; Berlin, GER), 4:20.83 (28 August 2014; Doha, QAT), 4:19.46 (2 December 2015; Netanya, ISR) |
| Claire Huddart |
GBR |
SWM |
Olympics |
1996—2000 |
4×200 m freestyle relay – 16 March 2000 - 10 August 2001: 7:49.11 (16 March 2000; Athina, GRE) |
| Geoff Huegill |
AUS |
SWM |
Olympics |
2000—2004 |
50 m butterfly – 18 December 2001 - 10 October 2004: 22.84 (18 December 2001; Melbourne, AUS), 22.84 tied (22 January 2002; Stockholm, SWE), 22.74 (26 January 2002; Berlin, GER); 4×100 m medley relay – 23 December 1996 - 4 April 1999 and 4 September 2002 - 25 March 2004: 3:30.91 (23 December 1996; Melbourne, AUS), 3:30.66 (17 April 1997; Göteborg, SWE), 3:28.12 (4 September 2002; Melbourne, AUS) |
| Torri Huske |
USA |
SWM |
Olympics |
2020 |
4×100 m medley relay – 18 December 2022 - present: 3:44.35 (18 December 2022; Melbourne, AUS); 4×50 m medley relay (mixed) – 14 December 2022 - present: 1:35.15 (14 December 2022; Melbourne, AUS) |
| Misty Hyman |
USA |
SWM |
Olympics |
2000 |
50 m butterfly – 19 April 1997 - 29 November 1997: 26.55 (19 April 1997; Göteborg, SWE); 100 m butterfly – 1 December 1996 - 28 March 1997: 58.29 (1 December 1996; Sainte-Foy, CAN) |
| Emma Igelström |
SWE |
SWM |
Olympics |
2000 |
50 m breaststroke – 13 December 2001 - 4 January 2002, 23 January 2002 - 27 January 2002, 14 March 2002 - 26 September 2004: 30.56 tied (13 December 2001; Antwerpen, BEL), 30.43 (23 January 2002; Stockholm, SWE), 30.24 (14 March 2002; Göteborg, SWE), 29.96 (2 April 2002; Moskva, RUS); 100 m breaststroke – 6 April 2002 - 28 November 2003: 1:05.38 (6 April 2002; Moskva, RUS), 1:05.29 (15 March 2003; Stockholm, SWE), 1:05.11 (16 March 2003; Stockholm, SWE); 4×100 m medley relay – 5 April 2002 - 9 October 2004: 3:55.78 (5 April 2002; Moskva, RUS) |
| Dan Izotov |
RUS |
SWM |
Olympics |
2008—2016 |
4×200 m freestyle relay – 16 December 2010 - 14 December 2018: 6:49.04 (16 December 2010; Dubai, UAE); 4×100 m medley relay – 20 December 2009 - 18 December 2022: 3:19.16 (20 December 2009; Saint Petersburg, RUS) |
| Jo Jackson |
GBR |
SWM |
Olympics |
2004—2012 |
400 m freestyle – 8 August 2009 - 24 November 2012: 3:54.92 (8 August 2009; Leeds, GBR) |
| Nicola Jackson |
GBR |
SWM |
Olympics |
2000 |
4×200 m freestyle relay – 16 March 2000 - 3 April 2002: 7:49.11 (16 March 2000; Athina, GRE), 7:47.14 (10 August 2001; Norwich, GBR) |
| Carlos Jayme |
BRA |
SWM |
Olympics |
2000—2004 |
4×100 m freestyle relay – 20 December 1998 - 16 March 2000: 3:10.45 (20 December 1998; Rio de Janeiro, BRA) |
| Otylia Jędrzejczak |
 POL |
SWM |
Olympics |
2000—2012 |
200 m butterfly – 13 December 2007 - 23 February 2008: 2:03.53 (13 December 2007; Debrecen, HUN) |
| Louise Jöhncke |
SWE |
SWM |
Olympics |
1996—2000 |
4×200 m freestyle relay – 1 April 1999 - 16 March 2000: 7:51.70 (1 April 1999; Hongkong, HKG) |
| Brian Johns |
CAN |
SWM |
Olympics |
2000—2008 |
400 m medley – 23 February 2003 - 9 December 2005: 4:02.72 (23 February 2003; Victoria, CAN) |
| Leisel Jones |
AUS |
SWM |
Olympics |
2000—2012 |
100 m breaststroke – 28 November 2003 - 18 March 2004 and 27 August 2006 - 19 December 2009: 1:05.09 (28 November 2003; Melbourne, AUS), 1:04.12 (27 August 2006; Hobart, AUS), 1:03.86 (28 August 2006; Hobart, AUS), 1:03.72 (26 April 2008; Canberra, AUS), 1:03.00 (14 November 2009; Berlin, GER); 200 m breaststroke – 29 November 2003 - 14 March 2009 and 15 November 2009 - 18 December 2009: 2:17.75 (29 November 2003; Melbourne, AUS), 2:15.42 (15 November 2009; Berlin, GER) |
| Sanja Jovanović |
CRO |
SWM |
Olympics |
2004—2012 |
50 m backstroke – 15 December 2007 - 7 December 2014: 26.50 (15 December 2007; Debrecen, HUN), 26.37 (13 April 2008; Manchester, GBR), 26.23 (13 December 2008; Rijeka, CRO), 25.70 (12 December 2009; İstanbul, TUR) |
| Kaio Márcio |
BRA |
SWM |
Olympics |
2004—2016 |
50 m butterfly – 17 December 2005 - 25 October 2008: 22.60 (17 December 2005; Santos, BRA); 200 m butterfly – 10 November 2009 - 7 August 2013: 1:49.11 (10 November 2009; Stockholm, SWE) |
| Mariya Kameneva |
 ROC |
SWM |
Olympics |
2020 |
4×50 m medley relay (mixed) – 5 December 2019 - 7 November 2021: 1:36.22 (5 December 2019; Glasgow, GBR) |
| Anna-Karin Kammerling |
SWE |
SWM |
Olympics |
2000—2008 |
50 m butterfly – 10 December 1999 - 11 April 2008: 25.64 (10 December 1999; Lisboa, POR), 25.60 (15 December 2000; Valencia, ESP), 25.36 (25 January 2001; Stockholm, SWE), 25.33 (12 March 2005; Göteborg, SWE); 4×100 m medley relay – 5 April 2002 - 9 October 2004: 3:55.78 (5 April 2002; Moskva, RUS) |
| Arno Kamminga |
NED |
SWM |
Olympics |
2020 |
4×50 m medley relay (mixed) – 7 November 2021 - 14 December 2022: 1:36.18 (7 November 2021; Kazan, RUS) |
| Louise Karlsson |
SWE |
SWM |
Olympics |
1992—1996 |
100 m medley – 22 November 1992 - 26 February 1998: 1:01.03 (22 November 1992; Espoo, FIN), 1:01.03 tied (26 January 1997; Malmö, SWE) |
| Angela Kennedy |
AUS |
SWM |
Olympics |
1996 |
50 m butterfly – 12 February 1995 - 19 April 1997: 26.56 (12 February 1995; Sheffield, GBR); 100 m butterfly – 18 February 1995 - 1995 and December 1995 - 1 December 1996: 58.77 (18 February 1995; Gelsenkirchen, GER), 58.56 (December 1995; Rio de Janeiro, BRA) |
| Drew Kibler |
USA |
SWM |
Olympics |
2020 |
4×200 m freestyle relay – 16 December 2022 - present: 6:44.12 (16 December 2022; Melbourne, AUS) |
| Lilly King |
USA |
SWM |
Olympics |
2016—2020 |
4×50 m medley relay – 7 December 2016 - 12 December 2018: 1:43.27 (7 December 2016; Windsor, CAN); 4×100 m medley relay – 21 November 2020 - present: 3:44.52 (21 November 2020; Budapest, HUN), 3:44.35 (18 December 2022; Melbourne, AUS) |
| Bill Kirby |
AUS |
SWM |
Olympics |
2000 |
4×200 m freestyle relay – 18 April 1997 - 17 March 2000 and 7 August 2001 - 31 August 2007: 7:02.74 (18 April 1997; Göteborg, SWE), 7:01.60 (1 September 1999; Canberra, AUS), 6:56.41 (7 August 2001; Perth, AUS) |
| Tara Kirk |
USA |
SWM |
Olympics |
2004 |
100 m breaststroke – 18 March 2004 - 27 August 2006: 1:04.79 (18 March 2004; Austin, USA) |
| Michael Klim |
AUS |
SWM |
Olympics |
1996—2004 |
50 m butterfly – 5 September 1999 - 17 January 2001: 23.21 (5 September 1999; Canberra, AUS), 23.11 (19 June 2000; Canberra, AUS); 100 m butterfly – 22 January 1998 - 14 December 1998 and 2 September 1999 - 16 March 2000: 51.16 (22 January 1998; Sydney, AUS), 51.07 (22 January 1998; Sydney, AUS), 50.99 (2 September 1999; Canberra, AUS); 4×200 m freestyle relay – 18 April 1997 - 17 March 2000 and 7 August 2001 - 31 August 2007: 7:02.74 (18 April 1997; Göteborg, SWE), 7:01.60 (1 September 1999; Canberra, AUS), 6:56.41 (7 August 2001; Perth, AUS); 4×100 m medley relay – 23 December 1996 - 7 April 2002: 3:30.91 (23 December 1996; Melbourne, AUS), 3:30.66 (17 April 1997; Göteborg, SWE), 3:29.88 (4 April 1999; Hongkong, HKG) |
| Yana Klochkova |
 UKR |
SWM |
Olympics / Other |
2000—2008 |
400 m medley – 20 January 2002 - 9 April 2008: 4:27.83 (20 January 2002; Paris, FRA) |
| Marco Koch |
GER |
SWM |
Olympics |
2012—2020 |
200 m breaststroke – 20 November 2016 - 13 December 2018: 2:00.44 (20 November 2016; Berlin, GER) |
| Sarah Köhler |
GER |
SWM |
Olympics |
2016—2020 |
1500 m freestyle – 16 November 2019 - 29 October 2022: 15:18.01 (16 November 2019; Berlin, GER) |
| Kliment Kolesnikov |
ROC
RUS |
SWM |
Olympics / YOG / Other |
2018—2020 |
100 m backstroke – 22 December 2017 - 11 November 2018 and 21 November 2020 - 29 August 2021: 48.90 (22 December 2017; St. Petersburg, RUS), 48.58 (21 November 2020; Budapest, HUN); 4×50 m medley relay (mixed) – 5 December 2019 - 7 November 2021: 1:36.22 (5 December 2019; Glasgow, GBR) |
| Rachel Komisarz |
USA |
SWM |
Olympics |
2004 |
4×100 m medley relay – 11 April 2008 - 9 August 2009: 3:51.36 (11 April 2008; Manchester, GBR) |
| Andrey Korneyev |
RUS |
SWM |
Olympics |
1996 |
200 m breaststroke – 28 March 1998 - 19 March 2000: 2:07.79 (28 March 1998; Paris, FRA) |
| Yevgeny Korotyshkin |
RUS |
SWM |
Olympics |
2004—2012 |
100 m butterfly – 7 November 2009 - 4 December 2014: 48.99 (7 November 2009; Moskva, RUS), 48.48 (15 November 2009; Berlin, GER); 4×100 m medley relay – 13 April 2008 - 9 August 2009 and 20 December 2009 - 18 December 2022: 3:24.29 (13 April 2008; Manchester, GBR), 3:19.16 (20 December 2009; Saint Petersburg, RUS) |
| Kristy Kowal |
USA |
SWM |
Olympics |
2000 |
4×100 m medley relay – 17 March 2000 - 5 April 2002: 3:57.46 (17 March 2000; Indianapolis, USA) |
| Gordan Kožulj |
CRO |
SWM |
Olympics |
1996—2008 |
200 m backstroke – 21 January 2001 - 7 April 2002: 1:51.62 (21 January 2001; Berlin, GER) |
| Lenny Krayzelburg |
USA |
SWM |
Olympics |
2000—2004 |
100 m backstroke – 5 February 2000 - 19 March 2000: 51.28 (5 February 2000; Berlin, GER); 200 m backstroke – 18 November 1999 - 13 October 2000: 1:52.47 (18 November 1999; College Park, USA), 1:52.43 (6 February 2000; Berlin, GER) |
| Ranomi Kromowidjojo |
NED |
SWM |
Olympics / Other |
2008—2020 |
50 m freestyle – 7 August 2013 - 2 August 2017 and 7 August 2017 - present: 23.24 (7 August 2013; Eindhoven, NED), 23.24 tied (12 December 2015; Indianapolis, USA), 22.93 (7 August 2017; Berlin, GER); 4×50 m freestyle relay – 7 December 2014 - 17 December 2017 and 12 December 2020 - present: 1:35.74 (7 December 2014; Doha, QAT), 1:34.24 (7 December 2014; Doha, QAT), 1:33.91 (15 December 2017; København, DEN), 1:32.50 (12 December 2020; Eindhoven, NED); 4×100 m freestyle relay – 9 September 2007 - 12 April 2008 and 19 December 2008 - 13 December 2022: 3:30.85 (9 September 2007; Eindhoven, NED), 3:28.22 (19 December 2008; Amsterdam, NED), 3:26.53 (5 December 2014; Dohar, QAT); 4×200 m freestyle relay – 9 April 2008 - 15 December 2010 and 3 December 2014 - 14 December 2022: 7:38.90 (9 April 2008; Manchester, GBR), 7:32.85 (3 December 2014; Doha, QAT); 4×50 m freestyle relay (mixed) – 16 December 2017 - 12 December 2018: 1:28.39 (16 December 2017; København, DEN) |
| Audrey Lacroix |
CAN |
SWM |
Olympics |
2008—2016 |
4×100 m medley relay – 9 August 2009 - 18 December 2009: 3:49.45 (9 August 2009; Leeds, GBR) |
| Yevgeny Lagunov |
RUS |
SWM |
Olympics |
2004—2012 |
4×50 m freestyle relay – 15 December 2013 - 6 December 2014: 1:23.36 (15 December 2013; Herning, DEN); 4×200 m freestyle relay – 16 December 2010 - 14 December 2018: 6:49.04 (16 December 2010; Dubai, UAE) |
| Giorgio Lamberti |
ITA |
SWM |
Olympics |
1988—1992 |
200 m freestyle – 14 February 1988 - 1 April 1999: 1:43.95 (14 February 1988; Bonn, FRG), 1:43.64 (11 February 1990; Bonn, FRG); 400 m freestyle – 13 February 1988 - 4 February 1990: 3:41.74 (13 February 1988; Bonn, FRG) |
| Mitch Larkin |
AUS |
SWM |
Olympics |
2012—2020 |
200 m backstroke – 27 November 2015 - present: 1:45.63 (27 November 2015; Sydney, AUS) |
| Chad le Clos |
RSA |
SWM |
Olympics / YOG / Other |
2010—2020 |
100 m butterfly – 4 December 2014 - 21 November 2020: 48.44 (4 December 2014; Doha, QAT), 48.08 (8 December 2016; Windsor, CAN); 200 m butterfly – 7 August 2013 - 11 December 2018: 1:49.04 (7 August 2013; Eindhoven, NED), 1:48.56 (5 November 2013; Singapore, SGP) |
| Le Jingyi |
CHN |
SWM |
Olympics |
1992—1996 |
50 m freestyle – 3 December 1993 - 11 December 1999: 24.62 (3 December 1993; Palma de Mallorca, ESP), 24.23 (3 December 1993; Palma de Mallorca, ESP); 100 m freestyle – 2 December 1993 - 10 December 1999: 53.01 (2 December 1993; Palma de Mallorca, ESP); 4×100 m freestyle relay – 4 December 1993 - 8 April 2006: 3:35.97 (4 December 1993; Palma de Mallorca, ESP), 3:34.55 (19 April 1997; Göteborg, SWE); 4×200 m freestyle relay – 3 December 1993 - 17 April 1997: 7:52.45 (3 December 1993; Palma de Mallorca, ESP); 4×100 m medley relay – 5 December 1993 - 4 April 1999: 3:57.73 (5 December 1993; Palma de Mallorca, ESP) |
| Katie Ledecky |
USA |
SWM |
Olympics |
2012—2020 |
800 m freestyle – 5 November 2022 - present: 7:57.42 (5 November 2022; Indianapolis, USA); 1500 m freestyle – 29 October 2022 - present: 15:08.24 (29 October 2022; Toronto, CAN) |
| Karen Legg |
GBR |
SWM |
Olympics |
2000 |
4×200 m freestyle relay – 16 March 2000 - 3 April 2002: 7:49.11 (16 March 2000; Athina, GRE), 7:47.14 (10 August 2001; Norwich, GBR) |
| Libby Lenton-Trickett |
AUS |
SWM |
Olympics |
2004—2012 |
100 m freestyle – 8 August 2005 - 28 November 2015: 51.91 (8 August 2005; Melbourne, AUS), 51.70 (9 August 2005; Melbourne, AUS) (competed as Libby Lenton), 51.01 (10 August 2009; Hobart, AUS) (competed as Libby Trickett); 200 m freestyle – 19 November 2005 - 6 December 2008: 1:53.29 (19 November 2005; Sydney, AUS) (competed as Libby Lenton); 100 m butterfly – 28 August 2006 - 13 April 2008 and 26 April 2008 - 12 August 2009: 55.95 (28 August 2006; Hobart, AUS) (competed as Libby Lenton), 55.74 (26 April 2008; Canberra, AUS) (competed as Libby Trickett); 4×100 m freestyle relay – 2 September 2007 - 9 September 2007: 3:31.66 (2 September 2007; Melbourne, AUS) (competed as Libby Lenton); 4×100 m medley relay – 9 October 2004 - 11 April 2008: 3:54.95 (9 October 2004; Indianapolis, USA), 3:51.84 (7 April 2006; Shanghai, CHN) (competed as Libby Lenton) |
| Amaury Leveaux |
FRA |
SWM |
Olympics |
2004—2012 |
50 m freestyle – 11 December 2008 - 8 August 2009: 20.48 (11 December 2008; Rijeka, CRO); 100 m freestyle – 12 December 2008 - 29 October 2021: 45.12 (12 December 2008; Rijeka, CRO), 44.94 (13 December 2008; Rijeka, CRO); 50 m butterfly – 6 December 2008 - 24 October 2009: 22.29 (6 December 2008; Angers, FRA), 22.18 (14 December 2008; Rijeka, CRO) |
| Jason Lezak |
USA |
SWM |
Olympics |
2000—2012 |
4×100 m medley relay – 7 April 2002 - 4 September 2002 and 11 October 2004 - 13 April 2008: 3:29.00 (7 April 2002; Moskva, RUS), 3:25.09 (11 October 2004; Indianapolis, USA) |
| Li Bingjie |
CHN |
SWM |
Olympics |
2020 |
400 m freestyle – 27 October 2022 - present: 3:51.30 (27 October 2022; Beijing, CHN) |
| Li Wei |
CHN |
SWM |
Olympics |
2000 |
50 m breaststroke – 3 December 2001 - 4 January 2002: 30.56 (3 December 2001; Shanghai, CHN) |
| Josefin Lillhage |
SWE |
SWM |
Olympics |
1996—2008 |
4×200 m freestyle relay – 1 April 1999 - 16 March 2000: 7:51.70 (1 April 1999; Hongkong, HKG) |
| Lin Li |
CHN |
SWM |
Olympics |
1988—1996 |
100 m medley – 29 February 1992 - 22 November 1992: 1:01.61 (29 February 1992; Palma de Mallorca, ESP) |
| Oleh Lisohor |
UKR |
SWM |
Olympics |
2000—2008 |
50 m breaststroke – 26 January 2002 - 8 November 2008: 26.20 (26 January 2002; Berlin, GER), 26.17 (21 January 2006; Berlin, GER) |
| Liu Jing |
CHN |
SWM |
Olympics |
2008—2012 |
4×200 m freestyle relay – 15 December 2010 - 3 December 2014: 7:35.94 (15 December 2010; Dubai, UAE) |
| Liu Limin |
CHN |
SWM |
Olympics |
1996—2000 |
100 m butterfly – 2 December 1995 - December 1995: 58.68 (2 December 1995; Rio de Janeiro, BRA); 4×100 m medley relay – 5 December 1993 - 4 April 1999: 3:57.73 (5 December 1993; Palma de Mallorca, ESP) |
| Liu Zige |
CHN |
SWM |
Olympics |
2008—2012 |
200 m butterfly – 11 November 2009 - 3 December 2014: 2:02.50 (11 November 2009; Stockholm, SWE), 2:00.78 (15 November 2009; Berlin, GER) |
| Danyon Loader |
NZL |
SWM |
Olympics |
1992—1996 |
400 m freestyle – 11 February 1995 - 25 September 1998: 3:40.46 (11 February 1995; Sheffield, GBR); 200 m butterfly – 6 February 1993 - 26 March 1994: 1:54.58 (6 February 1993; Paris, FRA), 1:54.50 (9 February 1993; Malmö, SWE), 1:54.21 (13 February 1993; Gelsenkirchen, GER) |
| Nikita Lobintsev |
RUS |
SWM |
Olympics |
2008—2016 |
4×200 m freestyle relay – 16 December 2010 - 14 December 2018: 6:49.04 (16 December 2010; Dubai, UAE) |
| Artyom Lobuzov |
RUS |
SWM |
Olympics |
2012 |
4×50 m freestyle relay (mixed) – 13 October 2013 - 18 October 2013: 1:33.01 (13 October 2013; Moskva, RUS) |
| Ryan Lochte |
USA |
SWM |
Olympics |
2004—2016 |
100 m backstroke – 9 April 2006 - 11 November 2008: 49.99 (9 April 2006; Shanghai, CHN); 200 m backstroke – 9 April 2006 - 13 April 2008: 1:49.05 (9 April 2006; Shanghai, CHN); 100 m medley – 12 April 2008 - 14 November 2009 and 15 December 2012 - 7 December 2014: 51.25 (12 April 2008; Manchester, GBR), 51.15 (13 April 2008; Manchester, GBR), 50.71 (15 December 2012; İstanbul, TUR): 200 m medley – 7 April 2006 - 18 November 2007, 11 April 2008 - 15 November 2009, and 17 December 2010 - present: 1:53.31 (7 April 2006; Shanghai, CHN), 1:51.56 (11 April 2008; Manchester, GBR), 1:50.08 (17 December 2010; Dubai, UAE), 1:49.63 (14 December 2012; İstanbul, TUR); 400 m medley – 16 December 2010 - 20 December 2019: 3:55.50 (16 December 2010; Dubai, UAE); 4×100 m freestyle relay – 9 April 2008 - 20 December 2008: 3:08.44 (9 April 2008; Manchester, GBR) |
| Martín López-Zubero |
ESP |
SWM |
Olympics |
1988—1996 |
200 m backstroke – 10 April 1991 - 18 November 1999: 1:52.51 (10 April 1991; Gainesville, USA) |
| Lu Bin |
CHN |
SWM |
Olympics |
1992 |
4×100 m freestyle relay – 4 December 1993 - 19 April 1997: 3:35.97 (4 December 1993; Palma de Mallorca, ESP); 4×200 m freestyle relay – 3 December 1993 - 17 April 1997: 7:52.45 (3 December 1993; Palma de Mallorca, ESP) |
| Luiz Altamir |
BRA |
SWM |
Olympics / YOG |
2014—2020 |
4×200 m freestyle relay – 14 December 2018 - 16 December 2022: 6:46.81 (14 December 2018; Hangzhou, CHN) |
| Luo Xuejuan |
CHN |
SWM |
Olympics |
2000—2004 |
50 m breaststroke – 3 December 2001 - 4 January 2002 and 17 January 2002 - 23 January 2002: 30.56 tied (3 December 2001; Shanghai, CHN), 30.47 (17 January 2002; Paris, FRA) |
| Maggie Mac Neil |
CAN |
SWM |
Olympics |
2020 |
50 m backstroke – 20 December 2021 - present: 25.27 (20 December 2021; Abu Dhabi, UAE), 25.25 (16 December 2022; Melbourne, AUS); 100 m butterfly – 18 December 2022 - present: 54.05 (18 December 2022; Melbourne, AUS) |
| Travis Mahoney |
AUS |
SWM |
Olympics |
2016 |
4×50 m freestyle relay (mixed) – 10 November 2013 - 14 December 2013: 1:29.61 (10 November 2013; Tokyo, JPN) |
| Grégory Mallet |
FRA |
SWM |
Olympics |
2008—2016 |
4×100 m freestyle relay – 20 December 2008 - 19 December 2009: 3:04.98 (20 December 2008; Istres, FRA) |
| Florent Manaudou |
FRA |
SWM |
Olympics |
2012—2020 |
50 m freestyle – 5 December 2014 - 20 December 2019: 20.26 (5 December 2014; Doha, QAT); 50 m backstroke – 6 December 2014 - present: 22.22 (6 December 2014; Doha, QAT); 4×50 m freestyle relay (mixed) – 21 October 2013 - 10 November 2013 and 16 December 2022 - present: 1:31.14 (21 October 2013; Doha, QAT), 1:27.33 (16 December 2022; Melbourne, AUS) |
| Laure Manaudou |
FRA |
SWM |
Olympics |
2004—2012 |
400 m freestyle – 10 December 2005 - 8 August 2009: 3:56.79 (10 December 2005; Trieste, ITA), 3:56.09 (9 December 2006; Helsinki, FIN); 800 m freestyle – 9 December 2005 - 12 October 2007: 8:11.25 (9 December 2005; Trieste, ITA); 1500 m freestyle – 20 November 2004 - 12 October 2007: 15:42.39 (20 November 2004; La Roche-sur-Yon, FRA) |
| Peter Mankoč |
 SLO |
SWM |
Olympics |
1996—2012 |
100 m medley – 15 December 2001 - 25 January 2003 and 12 December 2009 - 15 December 2012: 52.63 (15 December 2001; Antwerpen, BEL), 50.76 (12 December 2009; İstanbul, TUR) |
| Simone Manuel |
USA |
SWM |
Olympics |
2016—2020 |
4×100 m medley relay – 11 December 2015 - 21 November 2020: 3:45.20 (11 December 2015; Indianapolis, USA); 4×50 m medley relay (mixed) – 21 December 2013 - 13 December 2018: 1:37.17 (21 December 2013; Glasgow, GBR) |
| Nicolò Martinenghi |
ITA |
SWM |
Olympics |
2020 |
4×50 m medley relay – 3 November 2021 - present: 1:30.14 (3 November 2021; Kazan, RUS), 1:29.72 (17 December 2022; Melbourne, AUS) |
| Angel Martino |
USA |
SWM |
Olympics |
1992—1996 |
100 m backstroke – 21 November 1993 - 4 March 2001: 59.41 (21 November 1993; Stavanger, NOR), 58.50 (3 December 1993; Palma de Mallorca, ESP) |
| Alexandre Massura |
BRA |
SWM |
Olympics |
1996—2000 |
4×100 m freestyle relay – 20 December 1998 - 16 March 2000: 3:10.45 (20 December 1998; Rio de Janeiro, BRA) |
| Emma McKeon |
AUS |
SWM |
Olympics / YOG |
2010—2020 |
4×100 m freestyle relay – 13 December 2022 - present: 3:25.43 (13 December 2022; Melbourne, AUS); 4×50 m medley relay – 17 December 2022 - present: 1:42.35 (17 December 2022; Melbourne, AUS) |
| Kaylee McKeown |
AUS |
SWM |
Olympics / YOG |
2018—2020 |
200 m backstroke – 28 November 2020 - present: 1:58.94 (28 November 2020; Brisbane, AUS) |
| Kathryn Meaklim |
RSA |
SWM |
Olympics |
2008—2012 |
400 m medley – 22 November 2009 - 18 December 2009: 4:22.80 (22 November 2009; Singapore, SGP) |
| Etiene Medeiros |
BRA |
SWM |
Olympics |
2016—2020 |
50 m backstroke – 7 December 2014 - 14 November 2020: 25.67 (7 December 2014; Doha, QAT) |
| Maud van der Meer |
NED |
SWM |
Olympics |
2016 |
4×50 m freestyle relay – 7 December 2014 - 17 December 2017: 1:35.74 (7 December 2014; Doha, QAT), 1:34.24 (7 December 2014; Doha, QAT); 4×100 m freestyle relay – 5 December 2014 - 13 December 2022: 3:26.53 (5 December 2014; Dohar, QAT) |