| Athlete |
Nation(s) |
Sport(s) |
Role(s) |
Era |
Notes |
| David Reid |
 USA |
BOX |
Olympics |
1996 |
Olympics - 1996 Light-middleweight (Gold); Professional World Champion - WBA Super-Welterweight (1999-2000). |
| Robin Reid |
 GBR |
BOX |
Olympics |
1992 |
Olympics - 1992 Light-middleweight; Professional World Champion - WBC Super-Middleweight (1996-1997). |
| Daniel Reyes |
 COL |
BOX |
Olympics |
1996 |
Olympics - 1996 Flyweight; Professional World Champion - IBF Mini-flyweight (2003-2004). |
| Guillermo Rigondeaux |
 CUB |
BOX |
Olympics |
2000—2004 |
Olympics - 2000 Bantamweight (Gold) / 2004 Bantamweight (Gold); Professional World Champion - WBO Junior-featherweight (2013-2015); WBA Super-bantamweight (2012-2013); WBA Super-bantamweight (2016-2017); WBA Bantamweight (2020-2021). |
| Óscar Rivas |
COL |
BOX |
Olympics |
2008 |
Olympics - 2008 Super-Heavyweight; Professional World Champion - WBC Bridgerweight (2021-2023). |
| Gilberto Román |
 MEX |
BOX |
Olympics |
1980 |
Olympics - 1980 Flyweight; Professional World Champion - WBC Super-Flyweight (1986-1987); WBC Super-Flyweight (1988-1989). |
| Jonathan Romero |
COL |
BOX |
Olympics |
2008 |
Olympics - 2008 Bantamweight; Professional World Champion - IBF Junior-featherweight (2013). |
| Alberto Rossel |
 PER |
BOX |
Olympics |
1996 |
Olympics - 1996 Light-Flyweight; Professional World Champion - WBA Light-flyweight (2014). |
| Amnat Ruenroeng |
 THA |
BOX |
Olympics |
2008—2016 |
Olympics - 2008 Light-Flyweight / 2016 Lightweight; Professional World Champion - IBF Flyweight (2014-2016). |
| Gary Russell |
USA |
BOX |
Olympics |
2016 |
Olympics - 2016 Light-Welterweight; Professional World Champion - WBA Super-lightweight (2025-); WBC Featherweight (2015-2022). |
| Vicente Saldívar |
MEX |
BOX |
Olympics |
1960 |
Olympics - 1960 Featherweight; Professional World Champion - Undisputed Featherweight (1964-1967). |
| Lou Salica |
USA |
BOX |
Olympics |
1932 |
Olympics - 1932 Flyweight; Professional World Champion - NBA Bantamweight (1935), Undisputed Bantamweight (1940-1942). |
| Carlos Santos |
 PUR |
BOX |
Olympics |
1976 |
Olympics - 1976 Welterweight; Professional World Champion - IBF Super-Welterweight (1984-1985). |
| Daniel Santos |
PUR |
BOX |
Olympics |
1996 |
Olympics - 1996 Welterweight (Bronze); Professional World Champion - WBO Junior-middleweight (2002-2005); WBO Welterweight (2000-2001); WBA Super-welterweight (2008-2009). |
| Chatchai Sasakul |
THA |
BOX |
Olympics |
1988 |
Olympics - 1988 Light-flyweight; Professional World Champion - Undisputed Flyweight (1997-1998). |
| Billy Joe Saunders |
GBR |
BOX |
Olympics |
2008 |
Olympics - 2008 Welterweight; Professional World Champion - WBO Super-middleweight (2019-2021); WBO Middleweight (2015-2018). |
| V'iacheslav Senchenko |
 UKR |
BOX |
Olympics |
2000 |
Olympics - 2000 Light-welterweight; Professional World Champion - WBA Welterweight (2009-2012 ).. |
| Sertão |
 BRA |
BOX |
Olympics |
2000 |
Olympics - 2000 Featherweight; Professional World Champion - IBF Featherweight (2006). |
| Claressa Shields |
USA |
BOX |
Olympics |
2012—2016 |
Olympics - 2012 Middleweight (Gold) / 2016 Middleweight (Gold); Professional World Champion - WBC Super-Middleweight (2017-2018);IBF Super-Middleweight (2017-2018);WBA Middleweight (2018-2024);WBC Middleweight (2018-2024);WBO Middleweight (2019-2020);WBC Light-Middleweight (2020-2021);WBO Light-Middleweight (2020-2021);IBF Light-Middleweight (2021);WBA Light-Middleweight (2021);WBO Middleweight (2022-2024);WBO Light-Heavyweight (2024-2025);WBC Heavyweight (2025- );WBA Heavyweight (2025- );WBO Heavyweight (2025- );IBF Heavyweight (2025- ); |
| Beybut Shumenov |
 KAZ |
BOX |
Olympics |
2004 |
Olympics - 2004 Light-heavyweight; Professional World Champion - WBA Light-heavyweight (2010-2014), WBA cruiserweight champion (2016-2017, 2018-). |
| Harry Simon |
 NAM |
BOX |
Olympics |
1992 |
Olympics - 1992 Welterweight; Professional World Champion - WBO Middleweight (2002-2003). |
| Bud Smith |
USA |
BOX |
Olympics |
1948 |
Olympics - 1948 Lightweight; Professional World Champion - Undisputed Lightweight (1955-1956). |
| Willie Smith |
 RSA |
BOX |
Olympics |
1924 |
Olympics - 1924 Bantamweight (Gold); Professional World Champion - British Pro Bantamweight (1927). |
| Errol Spence |
USA |
BOX |
Olympics |
2012 |
Olympics - 2012 Welterweight; Professional World Champion - WBA Welterweight (2022-2023); WBC Welterweight (2019-2023); IBF Welterweight (2017-2023). |
| Mary Spencer |
 CAN |
BOX |
Olympics |
2012 |
Olympics - 2012 Middleweight; Professional World Champion - WBA Light-Middleweight (2024-2025) |
| Leon Spinks |
USA |
BOX |
Olympics |
1976 |
Olympics - 1976 Light-heavyweight (Gold); Professional World Champion - Undisputed Heavyweight (1978-1978); WBA Heavyweight (1978-1978). |
| Michael Spinks |
USA |
BOX |
Olympics |
1976 |
Olympics - 1976 Middleweight (Gold); Professional World Champion - IBF Heavyweight (1985-1987); IBF Light-Heavyweight (1984-1985); WBC Light-Heavyweight (1983-1985); WBA Light-Heavyweight (1981-1985). |
| Eimantas Stanionis |
 LTU |
BOX |
Olympics |
2016 |
Olympics - 2016 Welterweight; Professional World Champion - WBA Welterweight (2024-2025); WBA Welterweight (2022-2024). |
| Maurizio Stecca |
 ITA |
BOX |
Olympics |
1984 |
Olympics - 1984 Bantamweight (Gold); Professional World Champion - WBO Featherweight (1989-1989); WBO Featherweight (1991-1992). |
| Shakur Stevenson |
USA |
BOX |
Olympics / YOG |
2014—2016 |
Olympics - 2016 Bantamweight (Silver); Professional World Champion - WBO Junior-welterweight (2026-); WBO Junior-lightweight (2021-2022); WBO Featherweight (2019-2020); WBC Lightweight (2023-2026); WBC Super-featherweight (2022). |
| John H. Stracey |
GBR |
BOX |
Olympics |
1968 |
Olympics - 1968 Lightweight; Professional World Champion - WBC Welterweight (1975-1976). |
| Volodymyr Sydorenko |
UKR |
BOX |
Olympics |
2000 |
Olympics - 2000 Flyweight (Bronze); Professional World Champion - WBA Bantamweight (2005-2008). |
| Vitali Tajbert |
 GER |
BOX |
Olympics |
2004 |
Olympics - 2004 Featherweight (Bronze); Professional World Champion - WBC Super-featherweight (2010). |
| Carlos José Tamara |
COL |
BOX |
Olympics |
2004 |
Olympics - 2004 Light-Flyweight; Professional World Champion - IBF Junior-flyweight (2010). |
| Antonio Tarver |
USA |
BOX |
Olympics |
1996 |
Olympics - 1996 Light-Heavyweight (Bronze); Professional World Champion - WBA Light-heavyweight (2004); WBC Light-heavyweight (2003); WBC Light-heavyweight (2004); IBF Light-heavyweight (2003); IBF Light-heavyweight (2008). |
| Frank Tate |
USA |
BOX |
Olympics |
1984 |
Olympics - 1984 Light-middleweight (Gold); Professional World Champion - IBF Middleweight (1987-1988). |
| Johnny Tate |
USA |
BOX |
Olympics |
1976 |
Olympics - 1976 Heavyweight (Bronze); Professional World Champion - WBA Heavyweight (1979-1980). |
| Jermain Taylor |
USA |
BOX |
Olympics |
2000 |
Olympics - 2000 Light-Middleweight (Bronze); Professional World Champion - WBO Middleweight (2005-2007); WBA Middleweight (2005-2006); WBC Middleweight (2005-2007); IBF Middleweight (2005); IBF Middleweight (2014-2015). |
| Josh Taylor |
GBR |
BOX |
Olympics |
2012 |
Olympics - 2012 Lightweight; Professional World Champion - WBO Junior-welterweight (2021-2023); WBA Super-lightweight (2019-2022); WBC Super-lightweight (2021-2022); IBF Junior-welterweight (2019-2022). |
| Katie Taylor |
 IRL |
BOX |
Olympics / Opening Flagbearer |
2012—2016 |
Olympics - 2012 Lightweight (Gold) / 2016 Lightweight; Professional World Champion - WBA Lightweight (2017- ) IBF Lightweight (2018-2024); WBO Lightweight (2019-2024); WBC Lightweight (2019- );WBO Light-Welterweight (2019);WBA Light-Welterweight (2023- );WBC Light-Welterweight (2023-2025); IBF Light-Welterweight (2023- );WBO Light-Welterweight (2023- ) |
| Meldrick Taylor |
USA |
BOX |
Olympics |
1984 |
Olympics - 1984 Featherweight (Gold); Professional World Champion - IBF Super-Lightweight (1988-1990); WBA Welterweight (1991-1992). |
| Christophe Tiozzo |
 FRA |
BOX |
Olympics |
1984 |
Olympics - 1984 Light-Middleweight (Bronze); Professional World Champion - WBA Super-Middleweight (1990-1991). |
| José Torres |
USA |
BOX |
Olympics |
1956 |
Olympics - 1956 Light-Middleweight (Silver); Professional World Champion - WBC Light-Heavyweight (1965-1966); WBA Light-Heavyweight (1965-1966). |
| Vic Toweel |
RSA |
BOX |
Olympics |
1948 |
Olympics - 1948 Bantamweight; Professional World Champion - Undisputed Bantamweight (1950-1952). |
| Kostya Tszyu |
 RUS
 URS |
BOX |
Olympics |
1988 |
Olympics - 1988 Lightweight; Professional World Champion - IBF Light-Welterweight (1995-1997); WBC Light-Welterweight (1999-2004); IBF Light-Welterweight (2001-2005); WBA Light-Welterweight (2001-2004). |
| Regilio Tuur |
 NED |
BOX |
Olympics |
1988 |
Olympics - 1988 Featherweight; Professional World Champion - WBO Super-Featherweight (1994-1996). |
| Franco Udella |
ITA |
BOX |
Olympics |
1968—1972 |
Olympics - 1968 Light-flyweight / 1972 Flyweight; Professional World Champion - WBC Light-Flyweight (1975-1975). |
| Yordenis Ugás |
CUB |
BOX |
Olympics |
2008 |
Olympics - 2008 Lightweight (Bronze); Professional World Champion - WBA Welterweight (2021-2022); WBA Welterweight (2020-2021). |
| Oleksandr Usyk |
UKR |
BOX |
Olympics |
2008—2012 |
Olympics - 2008 Heavyweight / 2012 Heavyweight (Gold); Professional World Champion - WBO Heavyweight (2021-2025); WBO Junior-heavyweight (2016-2019); WBA Heavyweight (2021-2026); WBA Cruiserweight (2018-2019); WBC Heavyweight (2024-2026); WBC Cruiserweight (2018-2019); IBF Heavyweight (2021-2024); IBF Heavyweight (2025-2026); IBF Cruiserweight (2018-2019). |
| Óscar Valdez |
MEX |
BOX |
Olympics |
2008—2012 |
Olympics - 2008 Bantamweight / 2012 Bantamweight; Professional World Champion - WBO Featherweight (2016-2019); WBC Super-featherweight (2021-2022). |
| Antonio Vargas |
USA |
BOX |
Olympics |
2016 |
Olympics - 2016 Flyweight; Professional World Champion - WBA Bantamweight (2025); WBA Bantamweight (2026). |
| Fernando Vargas |
USA |
BOX |
Olympics |
1996 |
Olympics - 1996 Welterweight; Professional World Champion - WBA Super-welterweight (2001-2002). |
| Francisco Vargas |
MEX |
BOX |
Olympics |
2008 |
Olympics - 2008 Lightweight; Professional World Champion - WBC Super-featherweight (2015-2017). |
| Miguel Velázquez |
 ESP |
BOX |
Olympics |
1964 |
Olympics - 1964 Light-welterweight; Professional World Champion - WBC Super-lightweight (1976). |
| Brian Viloria |
USA |
BOX |
Olympics |
2000 |
Olympics - 2000 Light-Flyweight; Professional World Champion - WBO Flyweight (2011-2013); WBA Flyweight (2012-2013); WBC Light-flyweight (2005-2006); IBF Junior-flyweight (2009-2010). |
| Anaclet Wamba |
 CGO |
BOX |
Olympics |
1980 |
Olympics - 1980 Light-heavyweight; Professional World Champion - WBC Cruiserweight (1991-1995). |
| Andre Ward |
USA |
BOX |
Olympics |
2004 |
Olympics - 2004 Light-Heavyweight (Gold); Professional World Champion - WBO Light-heavyweight (2016-2017); WBA Light-heavyweight (2016-2017); WBA Super-middleweight (2009-2015); WBC Super-middleweight (2011-2013); IBF Light-heavyweight (2016-2017). |
| Rau'Shee Warren |
USA |
BOX |
Olympics |
2004—2012 |
Olympics - 2004 Light-Flyweight / 2008 Flyweight / 2012 Flyweight; Professional World Champion - WBA Bantamweight (2016-2017). |
| Matt Wells |
GBR |
BOX |
Olympics |
1908 |
Olympics - 1908 Bantamweight; Professional World Champion - Australian Pro Welterweight (1914). |
| Pernell Whitaker |
USA |
BOX |
Olympics |
1984 |
Olympics - 1984 Lightweight (Gold); Professional World Champion - WBC Lightweight (1989-1995); IBF Super-Lightweight (1992-1992); WBA Super-Welterweight (1995-1995); WBC Welterweight (1993-1997); WBC,WBA,IBF Lightweight (1990-1992). |
| Deontay Wilder |
USA |
BOX |
Olympics |
2008 |
Olympics - 2008 Heavyweight (Bronze); Professional World Champion - WBC Heavyweight (2015-2020). |
| Richie Woodhall |
GBR |
BOX |
Olympics |
1988 |
Olympics - 1988 Light-Middleweight (Bronze); Professional World Champion - WBC Super-Middleweight (1998-1999). |
| Alfonso Zamora |
MEX |
BOX |
Olympics |
1972 |
Olympics - 1972 Bantamweight (Silver); Professional World Champion - WBA Bantamweight (1975-1977). |
| Daniel Zaragoza |
MEX |
BOX |
Olympics |
1980 |
Olympics - 1980 Bantamweight; Professional World Champion - WBC Bantamweight (1985-1985); WBC Super-Bantamweight (1988-1990); WBC Super-Bantamweight (1991-1992); WBC Super-Bantamweight (1995-1997). |
| Vasily Zhirov |
KAZ |
BOX |
Olympics |
1996 |
Olympics - 1996 Light-heavyweight (Gold); Professional World Champion - IBF Cruiserweight (1999-2003). |
| Zou Shiming |
 CHN |
BOX |
Olympics |
2004—2012 |
Olympics - 2004 Light-Flyweight (Bronze) 2008 Light-Flyweight (Gold) 2012 Light-Flyweight (Gold) - WBO Flyweight Champion (2016-2017). |
