Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Eli Johana Moreno | ATH | Olympics | 2008—2012 | 1–0–2 2006 Cartagena de Indias ATH bronze: hammer throw; 2010 Mayagüez ATH gold: hammer throw; 2014 Veracruz ATH bronze: hammer throw | |
| Frank Moreno | JUD | Olympics | 1992—1996 | 3–0–0 1986 Santiago de los Caballeros JUD gold: heavyweight +95 kg; 1990 Ciudad de México JUD gold: heavyweight +95 kg; 1993 Ponce JUD gold: heavyweight +95 kg | |
| Héctor Moreno | ATH | Olympics | 1984—1996 | 1–1–2 1986 Santiago de los Caballeros ATH bronze: 20 km walk; 1990 Ciudad de México ATH gold: 50 km walk, bronze: 20 km walk; 1993 Ponce ATH silver: 20 km walk | |
| Laura del Carmen Moreno | GAR | Olympics | 2004 | 3–2–1 1993 Ponce GYM silver: team; 2002 San Salvador GYM gold: uneven bars and team, silver: vault, bronze: all-around; 2006 Cartagena de Indias GYM gold: team | |
| María Moreno | SWM | Olympics | 1968 | 0–0–1 1966 San Juan SWI bronze: 200 m breaststroke | |
| Miguel Ángel Moreno | JUD | Olympics | 2000 | 0–0–2 1998 Maracaibo JUD bronze: half-lightweight -66 kg; 2002 San Salvador JUD bronze: half-lightweight -66 kg | |
| Niurka Moreno | JUD | Olympics | 1992 | 1–0–0 1990 Ciudad de México JUD gold: half-heavyweight -72 kg | |
| Rodrigo Moreno | ATH | Olympics | 2008 | 0–1–0 2010 Mayagüez ATH silver: 50 km walk | |
| Sandy Moreno | BBL | Olympics | 1996 | 0–1–0 1998 Maracaibo BSB silver | |
| Yipsi Moreno | ATH | Olympics | 2000—2012 | 2–0–0 2006 Cartagena de Indias ATH gold: hammer throw; 2014 Veracruz ATH gold: hammer throw | |
| María Moret | BKB | Olympics | 1980 | 3–0–0 1978 Medellín BAS gold; 1982 La Habana BAS gold; 1986 Santiago de los Caballeros BAS gold | |
| Kenia Moreta | VVO | Olympics | 2004 | 2–0–0 2002 San Salvador VOL gold; 2006 Cartagena de Indias VOL gold | |
| Bárbaro Morgan | WRE | Olympics | 1972—1980 | 1–0–0 1978 Medellín WRE gold: freestyle heavyweight -100 kg | |
| Dinsdale Morgan | ATH | Olympics | 1996—2000 | 1–0–0 1998 Maracaibo ATH gold: 400 m hurdles | |
| Jason Morgan | ATH | Olympics | 2012 | 1–1–0 2006 Cartagena de Indias ATH silver: discus throw; 2010 Mayagüez ATH gold: discus throw | |
| Juan Alberto Morillo | ATH | Olympics | 2000 | 0–1–0 2002 San Salvador ATH silver: 4×100 m relay | |
| Julián Morrinson | ATH | Olympics | 1976 | 1–1–0 1974 Santo Domingo ATH gold: discus throw; 1978 Medellín ATH silver: discus throw | |
| Devon Morris | ATH | Olympics | 1984—1992 | 1–0–0 1990 Ciudad de México ATH gold: 4×400 m relay | |
| Ian Morris | ATH | Olympics / Opening Flagbearer | 1988—1992 | 0–3–0 1986 Santiago de los Caballeros ATH silver: 400 m and 4×400 m relay; 1993 Ponce ATH silver: 4×400 m relay | |
| Una Morris | ATH | Olympics | 1964—1972 | 2–0–0 1966 San Juan ATH gold: 200 m and 4×100 m relay | |
| Ismael Mosqueira | GAR | Olympics / Non-starter | 1932—1948 | 1–1–1 1946 Barranquilla GYM gold: horizontal bar, silver: team, bronze: pommelled horse | |
| Edwin Mosquera | WLF | Olympics | 2008—2016 | 0–3–2 2010 Mayagüez WLT lightweight -69 kg silver: snatch, bronze: total and clean & jerk; 2014 Veracruz WLT lightweight -69 kg silver: snatch and clean & jerk | |
| Isidro Mosquera | BOX | Olympics | 2004 | 0–0–2 1998 Maracaibo BOX bronze: light-welterweight -63.5 kg; 2002 San Salvador BOX bronze: light-welterweight -63.5 kg | |
| Jarlis Mosquera | WRE | Olympics | 2008 | 0–2–0 2006 Cartagena de Indias WRE silver: Greco-Roman middleweight -74 kg; 2010 Mayagüez WRE silver: freestyle light-heavyweight -84 kg | |
| José David Mosquera | BOX | Olympics | 2004 | 0–0–1 2006 Cartagena de Indias BOX bronze: lightweight -60 kg | |
| Mabel Mosquera | WLF | Olympics | 2004 | 3–0–0 2002 San Salvador WLT featherweight -53 kg gold: total, snatch, and clean & jerk | |
| Cydonie Mothersill | ATH | Olympics / Non-starter / Opening Flagbearer | 1996—2012 | 1–0–0 2010 Mayagüez ATH gold: 200 m | |
| Julio Moya | BBL | Non-Medal | 1984 | 0–1–0 1978 Medellín BSB silver | |
| Leydi Moya | MPN | Olympics / YOG | 2010—2020 | 2–0–3 2014 Veracruz MOP gold: individual and mixed relay, bronze: team; 2018 Barranquilla MOP bronze: team and mixed relay | |
| Roberto Moya | ATH | Olympics | 1992—1996 | 1–0–0 1990 Ciudad de México ATH gold: discus throw | |
| Sabina Moya | ATH | Olympics | 2000 | 0–1–0 2002 San Salvador ATH silver: javelin throw | |
| Sandra Moya | ATH | Olympics | 2000 | 0–1–0 2002 San Salvador ATH silver: 4×400 m relay | |
| César Muciño | CTR | Olympics | 1992 | 1–0–1 1993 Ponce CYC gold: 1000 m time trial, bronze: 4000 m pursuit team | |
| Bheiglys Mujica | SBL | Olympics | 2008 | 1–0–0 2010 Mayagüez SOF gold | |
| Devin Mullings | TEN | Olympics | 2008 | 0–0–1 2010 Mayagüez TEN bronze: doubles | |
| Anniara Muñoz | VVO | Olympics | 2004 | 0–1–0 2006 Cartagena de Indias VOL silver | |
| Carlos Muñoz | WRE | Olympics | 2016—2024 | 0–0–2 2014 Veracruz WRE bronze: Greco-Roman middleweight -75 kg; 2018 Barranquilla WRE bronze: Greco-Roman light-heavyweight -87 kg | |
| David Muñoz | SHO | Olympics | 2016 | 0–0–1 2018 Barranquilla SHO bronze: 10 m air pistol team | |
| Edgar Ramón Muñoz | BOX | Olympics | 2004—2016 | 0–0–1 2014 Veracruz BOX bronze: super-heavyweight +91 kg | |
| Felipe Muñoz | SWM | Olympics / Administrator / Opening Flagbearer | 1968—2012 | 5–3–0 1970 Panamá SWI gold: 100 m breaststroke, 200 m breaststroke, and 4×100 m medley relay, silver: 200 m medley and 400 m medley; 1974 Santo Domingo SWI gold: 100 m breaststroke and 200 m breaststroke, silver: 200 m medley | |
| Guillermo Muñoz | TTE | Olympics | 1996 | 0–2–5 1990 Ciudad de México TTN bronze: singles; 1993 Ponce TTN bronze: singles and mixed doubles; 2002 San Salvador TTN silver: singles; 2006 Cartagena de Indias TTN silver: team; 2010 Mayagüez TTN bronze: doubles; 2014 Veracruz TTN bronze: team | |
| Lino Muñoz | BDM | Olympics | 2016—2020 | 1–2–4 2010 Mayagüez BDM silver: doubles, bronze: singles and team; 2014 Veracruz BDM silver: team, bronze: singles; 2018 Barranquilla BDM gold: team, bronze: singles | |
| Nidia Muñóz | TKW | Olympics | 2012 | 0–0–1 1990 Ciudad de México TKW bronze: finweight -43 kg | |
| Óscar Muñoz | WRE | Olympics | 1988 | 0–0–2 1986 Santiago de los Caballeros WRE bronze: Greco-Roman flyweight -52 kg; 1990 Ciudad de México WRE bronze: freestyle flyweight -52 kg | |
| Óscar Muñoz | TKW | Olympics / YOG | 2010—2016 | 0–0–1 2014 Veracruz TKW bronze: bantamweight -63 kg | |
| Lloyd Murad | ATH | Olympics / Non-starter | 1960—1968 | 2–0–2 1959 Caracas ATH gold: 4×100 m relay, bronze: 100 m and 200 m; 1962 Kingston ATH gold: 4×100 m relay | |
| Digna Murillo | ATH | Olympics | 2000—2004 | 1–0–0 2002 San Salvador ATH gold: 4×100 m relay | |
| Jorge Murillo | SWM | Olympics | 2016—2020 | 2–3–2 2010 Mayagüez SWI bronze: 4×100 m medley relay; 2014 Veracruz SWI gold: 50 m breaststroke, silver: 100 m breaststroke and 4×100 m medley relay, bronze: 200 m breaststroke; 2018 Barranquilla SWI gold: 100 m breaststroke, silver: 4×100 m medley relay (mixed) | |
| Melisa Murillo | ATH | Olympics | 2000—2004 | 1–0–0 2002 San Salvador ATH gold: 4×100 m relay | |
| Osmán Murillo | JUD | Olympics | 2012 | 0–0–1 2010 Mayagüez JUD bronze: lightweight -73 kg | |
| Tolentino Murillo | WLF | Olympics | 1988 | 0–0–2 1986 Santiago de los Caballeros WLT flyweight -52 kg bronze: total and snatch | |
| Sinclair Murrell | BKB | Olympics | 1968 | 1–0–0 1970 Panamá BAS gold | |
| Alfredo Mury | SHO | Olympics | 1952 | 0–1–0 1950 Ciudad de Guatemala SHO silver: 300 m military rifle 3 positions team | |
| Roy Myrie | FBL | Olympics | 2004 | 0–0–1 2002 San Salvador FTB bronze | |
| Neville Myton | ATH | Olympics | 1964—1968 | 2–0–0 1966 San Juan ATH gold: 800 m and 4×400 m relay | |
| Édgar Nanne | ROW | Olympics | 1980—1984 | 1–2–0 1982 La Habana ROW gold: single sculls; 1986 Santiago de los Caballeros ROW silver: single sculls and lightweight single sculls | |
| Horacio Nava | ATH | Olympics | 2008—2020 | 2–0–0 2010 Mayagüez ATH gold: 50 km walk; 2014 Veracruz ATH gold: 20 km walk | |
| Margarita Nava | EDR | Olympics | 1984 | 1–0–0 1990 Ciudad de México EQU gold: dressage team | |
| Patricia Nava | VVO | Olympics | 1968 | 1–0–0 1970 Panamá VOL gold | |
| Roberto Navarro | BOX | Olympics | 2008 | 0–0–1 2010 Mayagüez BOX bronze: featherweight -57 kg | |
| Naydí Nazario | ATH | Olympics | 1984 | 1–0–0 1986 Santiago de los Caballeros ATH gold: marathon | |
| Nicky Neckles | SWM | Olympics | 1996—2004 | 3–1–3 2002 San Salvador SWI bronze: 100 m backstroke and 200 m backstroke; 2006 Cartagena de Indias SWI gold: 50 m backstroke, 100 m backstroke, and 200 m backstroke, bronze: 4×100 m medley relay; 2010 Mayagüez SWI silver: 100 m backstroke | |
| Fidel Negrete | ATH | Olympics / Opening Flagbearer | 1964 | 0–1–0 1962 Kingston ATH silver: half-marathon | |
| Carlos Negrón | WRE | Olympics | 1988 | 0–0–1 1993 Ponce WRE bronze: Greco-Roman featherweight -62 kg | |
| Carlos Negrón | BOX | Olympics | 2008 | 0–0–1 2006 Cartagena de Indias BOX bronze: light-heavyweight -81 kg | |
| José Gregorio Neira | ATH | Olympics | 1964 | 0–0–2 1962 Kingston ATH bronze: 800 m and 1500 m | |
| Alexander Nelcha | BKB | Olympics | 1992 | 0–0–1 1998 Maracaibo BAS bronze | |
| Kenneth Nelson | BOX | Non-starter | 1968 | 0–1–0 1966 San Juan BOX silver: light-welterweight -63.5 kg | |
| José Neri | ATH | Olympics | 1968 | 0–1–2 1966 San Juan ATH silver: 5000 m, bronze: 1500 m; 1974 Santo Domingo ATH bronze: 5000 m | |
| Anthony Nesty | SWM | Olympics / Opening Flagbearer | 1984—2008 | 1–0–0 1986 Santiago de los Caballeros SWI gold: 100 m butterfly | |
| Lisa Neuburger | SAL | Olympics / Opening Flagbearer | 1992—1996 | 1–0–0 1993 Ponce SAI gold: Mistral | |
| Paul Newallo | SWM | Olympics | 1984 | 0–0–1 1982 La Habana SWI bronze: 100 m breaststroke | |
| Seymour Newman | ATH | Olympics | 1976 | 1–1–2 1974 Santo Domingo ATH silver: 400 m, bronze: 4×400 m relay; 1978 Medellín ATH gold: 4×400 m relay (ran in heats only), bronze: 400 m | |
| Freida Nicholls-Davy | ATH | Olympics | 1972—1976 | 0–0–1 1966 San Juan ATH bronze: 4×100 m relay | |
| Miguel Nido | TEN | Olympics | 1992 | 1–3–2 1982 La Habana TEN silver: doubles, bronze: mixed doubles; 1986 Santiago de los Caballeros TEN gold: doubles, bronze: team; 1990 Ciudad de México TEN silver: singles and doubles | |
| Sigrid Niehaus | SWM | Olympics / Opening Flagbearer | 1988 | 2–0–1 1986 Santiago de los Caballeros SWI gold: 200 m breaststroke and 4×100 m medley relay, bronze: 100 m breaststroke | |
| Aníbal Nieves | WRE | Olympics | 1992—1996 | 0–1–2 1990 Mexico City WRE silver: Greco-Roman featherweight -62 kg, bronze: freestyle featherweight -62 kg; 1993 Ponce WRE bronze: freestyle featherweight -62 kg | |
| Efraín Nieves | BBL | Olympics | 1992 | 2–1–1 1990 Ciudad de México BSB silver; 1993 Ponce BSB bronze; 2002 San Salvador BSB gold; 2018 Barranquilla BSB gold | |
| Nelson Nieves | FEN | Olympics | 1952 | 1–2–0 1959 Caracas FEN gold: foil team, silver: épée and épée team | |
| Néstor Nieves | ATH | Olympics | 1996 | 0–2–1 1998 Maracaibo ATH silver: 3000 m steeplechase; 2002 San Salvador ATH bronze: 3000 m steeplechase; 2006 Cartagena de Indias ATH silver: 3000 m steeplechase | |
| Luis Niño | DIV | Olympics | 1964—1968 | 1–1–0 1966 San Juan DIV gold: platform, silver: 3 m springboard | |
| Isabel Nogueira | VVO | Olympics | 1968 | 0–1–1 1962 Kingston VOL bronze; 1966 San Juan VOL silver | |
| Luis Alberto Noguera | TKW | Olympics | 2004 | 0–0–2 1993 Ponce TKW bronze: middleweight -83 kg; 1998 Maracaibo TKW bronze: middleweight -84 kg | |
| Johnny Nolasco | BOX | Olympics | 1996 | 0–0–1 1993 Ponce BOX bronze: flyweight -51 kg | |
| Pedro Nolasco | BOX | Olympics / Opening Flagbearer | 1984 | 0–0–1 1978 Medellín BOX bronze: flyweight -51 kg | |
| Ramón Noriega | CRD | Olympics | 1976 | 0–1–0 1978 Medellín CYC silver: road time trial team | |
| Zara Northover | ATH | Olympics | 2008 | 0–1–0 2010 Mayagüez ATH silver: shot put | |
| Claudia Novelo | SWA | Olympics | 1984 | 1–1–0 1982 La Habana SYN gold: group free, silver: duet | |
| Lupita Novelo | TEN | Olympics | 1992 | 4–1–1 1990 Ciudad de México TEN gold: doubles, mixed doubles, and team; 1993 Ponce TEN gold: mixed doubles, silver: team, bronze: doubles | |
| Juan Camilo Novoa | BOX | Olympics | 2004 | 1–0–0 2002 San Salvador BOX gold: light-middleweight -71 kg | |
| José Nozari | SHO | Olympics | 1948 | 2–0–0 1950 Ciudad de Guatemala SHO gold: 300 m military rifle 3 positions and 300 m military rifle 3 positions team | |
| Michael Anthony Nunes | SAL | Olympics | 1968—1972 | 1–0–1 1966 San Juan SAI bronze: Dragon; 1974 Santo Domingo SAI gold: Flying Dutchman | |
| Michael Keith Nunes | SAL | Olympics | 1972 | 0–0–1 1966 San Juan SAI bronze: Dragon | |
| Daniel Núñez | WLF | Olympics | 1976—1980 | 9–0–0 1978 Medellín WLT bantamweight -56 kg gold: total, snatch, and clean & jerk; 1982 La Habana WLT featherweight -60 kg gold: total, snatch, and clean & jerk; 1986 Santiago de los Caballeros WLT featherweight -60 kg gold: total, snatch, and clean & jerk | |
| Evelyn Núñez | ATH | Olympics | 2008 | 0–1–0 2006 Cartagena de Indias ATH silver: 20 km walk | |
| Henry Núñez | JUD | Olympics / Administrator / Opening Flagbearer | 1988—2024 | 0–0–1 1993 Ponce JUD bronze: lightweight -71 kg | |
| Imaday Núñez | SWM | Olympics | 2000—2004 | 1–1–1 1998 Maracaibo SWI gold: 4×100 m medley relay, silver: 100 m breaststroke, bronze: 200 m breaststroke | |
| Juan Núñez | ATH | Olympics / Opening Flagbearer | 1988 | 0–2–4 1982 La Habana ATH bronze: 100 m, 200 m, and 4×100 m relay; 1986 Santiago de los Caballeros ATH silver: 100 m and 200 m, bronze: 4×100 m relay | |
| Ramón Núñez | FBL | Olympics | 1980 | 2–0–1 1978 Medellín FTB gold; 1982 La Habana FTB bronze; 1986 Santiago de los Caballeros FTB gold | |
| Sidarka Núñez | VVO | Olympics | 2012 | 1–0–0 2002 San Salvador VOL gold | |
| Debra O'Connor | BDM | Olympics | 1996 | 0–2–2 1990 Ciudad de México BDM silver: singles and doubles, bronze: mixed doubles and team | |
| Yordan O'Farril | ATH | Olympics / YOG | 2010—2016 | 1–0–0 2014 Veracruz ATH gold: 110 m hurdles | |
| Raisa O'Farrill | VVO | Olympics / Non-starter | 1992—1996 | 1–0–0 1993 Ponce VOL gold | |
| Delceita Oakley | ATH | Olympics | 1964 | 0–0–1 1962 Kingston ATH bronze: 4×100 m relay | |
| Darlenis Obregón | ATH | Olympics / Non-starter | 2004—2012 | 1–3–1 2006 Cartagena de Indias ATH silver: 4×100 m relay; 2010 Mayagüez ATH gold: 4×100 m relay, silver: 4×400 m relay, bronze: 200 m; 2014 Veracruz ATH silver: 4×100 m relay | |
| Jahir Ocampo | DIV | Olympics | 2016 | 2–0–0 2018 Barranquilla DIV gold: 1 m springboard and synchronized springboard | |
| Mauricio Ocampo | SWM | Olympics | 1960 | 7–0–1 1959 Caracas SWI gold: 400 m freestyle, 1500 m freestyle, 400 m medley, and 4×200 m freestyle relay; 1962 Kingston SWI gold: 400 m freestyle, 400 m medley, and 4×200 m freestyle relay, bronze: 1500 m freestyle | |
| Mónica Ocampo | FBL | Non-starter | 2004 | 1–0–0 2014 Veracruz FTB gold | |
| Walter Ocampo | SWM | Olympics | 1952—1956 | 1–2–1 1954 Ciudad de México SWI gold: 200 m butterfly, silver: 200 m breaststroke; 1959 Caracas SWI silver: 200 m butterfly, bronze: 200 m breaststroke | |
| Luis Ocaña | WRE | Olympics | 1980 | 1–0–0 1978 Medellín WRE gold: freestyle bantamweight -57 kg | |
| José Ocando | WLF | Olympics | 2008 | 1–1–1 2010 Mayagüez WLT middleweight -77 kg gold: clean & jerk. silver: total. bronze: snatch | |
| Asunción Ocasio | TKW | Olympics | 2008 | 1–0–0 2010 Mayagüez TKW gold: welterweight -67 kg | |
| Karina Ocasio | VVO | Olympics | 2016 | 0–1–1 2006 Cartagena de Indias VOL bronze; 2010 Mayagüez VOL silver | |
| Vicyohandri Odelín | BBL | Olympics | 2004—2008 | 1–0–0 2006 Cartagena de Indias BSB gold | |
| Francisco Oduardo | BOX | Olympics | 1968 | 1–0–0 1970 Panamá BOX gold: lightweight -60 kg | |
| Charles Ogilvie | SAL | Olympics | 1968 | 0–0–1 1962 Kingston SAI bronze: Dragon | |
| José Leyver Ojeda | ATH | Olympics | 2012—2020 | 1–0–0 2018 Barranquilla ATH gold: 50 km walk | |
| Roberto Ojeda | ROW | Olympics | 1964—1992 | 3–1–0 1986 Santiago de los Caballeros ROW gold: coxed fours and eights; 1990 Ciudad de México ROW gold: coxed fours, silver: eights | |
| Patricia Olano | SWM | Olympics | 1968 | 0–1–1 1970 Panamá SWI silver: 4×100 m medley relay, bronze: 4×100 m freestyle relay | |
| Andrea Olaya | WRE | Olympics | 2016 | 1–0–0 2018 Barranquilla WRE gold: freestyle heavyweight -76 kg | |
| José Olguín | WPO | Olympics | 1952 | 3–0–0 1950 Ciudad de Guatemala WAP gold; 1954 Ciudad de México WAP gold; 1959 Caracas WAP gold | |
| Otilio Olguín | WPO | Olympics | 1952 | 5–0–0 1950 Ciudad de Guatemala WAP gold; 1954 Ciudad de México SWI gold: 100 m freestyle, 4×200 m freestyle relay, and WAP; 1959 Caracas WAP gold | |
| Felipe Olivares | FBL | Non-starter | 1928 | 1–0–0 1935 San Salvador FTB gold | |
| Carl Oliver | ATH | Olympics | 1996—2000 | 0–0–1 1998 Maracaibo ATH bronze: 4×400 m relay | |
| Reynaldo Oliver | ATH | Olympics | 1952—1956 | 1–0–1 1954 Ciudad de México ATH gold: javelin throw, bronze: pentathlon | |
| Lourdes Olivera | SWA | Olympics | 1992 | 1–1–0 1990 Ciudad de México SYN gold: group free, silver: duet | |
| Miguel Olivera | ATH | Olympics | 1968 | 1–0–1 1970 Panamá ATH gold: 4×400 m relay, bronze: 400 m hurdles | |
| Gustavo Oliveros | FEN | Olympics | 1968 | 1–0–1 1970 Panamá FEN gold: épée team, bronze: épée | |
| Princesa Oliveros | ATH | Olympics | 2012 | 1–1–1 2002 San Salvador ATH gold: 4×100 m relay, silver: 100 m hurdles, bronze: 400 m hurdles | |
| Johnny Olivo | BBL | Non-Medal | 1984 | 1–0–0 1982 La Habana BSB gold | |
| Raúl Olivo | SHO | Olympics | 1956 | 0–2–0 1959 Caracas SHO silver: trap; 1962 Kingston SHO silver: trap | |
| Ellis Ollarves | ATH | Olympics | 2000 | 0–1–0 2002 San Salvador ATH silver: 4×100 m relay | |
| José Ollarves | CRD | Olympics | 1976 | 0–0–1 1974 Santo Domingo CYC bronze: road time trial team | |
| Patricia Ollinger | GAR | Olympics | 1972 | 0–2–0 1970 Panamá GYM silver: team; 1974 Santo Domingo GYM silver: team | |
| Pablo Olmedo | ATH | Olympics | 2000 | 3–0–1 1998 Maracaibo ATH gold: 5000 m, bronze: 1500 m; 2002 San Salvador ATH gold: 5000 m and 10000 m | |
| Segundo Olmedo | WRE | Olympics | 1972—1976 | 0–3–0 1970 Panamá WRE silver: freestyle lightweight -68 kg; 1974 Santo Domingo WRE silver: freestyle lightweight -68 kg; 1978 Medellín WRE silver: freestyle lightweight -68 kg | |
| Jesús Olmos | BKB | Olympics | 1936 | 1–0–0 1935 San Salvador BAS gold | |
| Alfredo Olvera | WRE | Olympics / Non-starter | 1972—1980 | 1–0–0 1974 Santo Domingo WRE gold: freestyle light-flyweight -48 kg | |
| Aline Olvera | ROW | Olympics | 2004 | 3–0–0 2002 San Salvador ROW gold: lightweight double sculls, quadruple sculls, and lightweight quadruple sculls | |
| Bernardo Olvera | WRE | Olympics | 1984—1988 | 0–3–1 1982 La Habana WRE bronze: freestyle flyweight -52 kg; 1986 Santiago de los Caballeros WRE silver: freestyle flyweight -52 kg and Greco-Roman flyweight -52 kg; 1993 Ponce WRE silver: freestyle flyweight -52 kg | |
| Jorge Olvera | WRE | Olympics | 1988 | 0–1–1 1990 Ciudad de México WRE bronze: freestyle bantamweight -57 kg; 1993 Ponce WRE silver: freestyle featherweight -62 kg | |
| Nelson Oñate | SHO | Olympics | 1968 | 3–4–2 1970 Panamá SHO gold: 50 m free pistol team, silver: 50 m free pistol, 25 m center fire pistol team, and 25 m standard pistol team, bronze: 25 m standard pistol; 1974 Santo Domingo SHO gold: 50 m free pistol team and 25 m center fire pistol, silver: 25 m center fire pistol team, bronze: 50 m free pistol | |
| Lombardo Ontiveros | VBV | Olympics | 2016 | 0–0–1 2006 Cartagena de Indias BVO bronze | |
| Arturo Oporta | WRE | Olympics | 1988 | 0–0–2 1986 Santiago de los Caballeros WRE bronze: freestyle featherweight -62 kg and Greco-Roman featherweight -62 kg | |
| Adrián Oquendo | ROW | Olympics | 2016 | 4–0–0 2014 Veracruz ROW gold: coxless pairs and coxless fours; 2018 Barranquilla ROW gold: double sculls and coxless pairs | |
| Alexandra Oquendo | VVO | Olympics | 2016 | 0–1–1 2006 Cartagena de Indias VOL bronze; 2010 Mayagüez VOL silver | |
| Carlos Oquendo | BMX | Olympics | 2012—2016 | 0–1–1 2014 Veracruz CYC silver: BMX; 2018 Barranquilla CYC bronze: BMX | |
| Néstor Orellana | VVO | Olympics | 2016 | 0–0–1 2018 Barranquilla VOL bronze | |
| Angie Orjuela | ATH | Olympics | 2016—2024 | 0–0–1 2018 Barranquilla ATH bronze: marathon | |
| Ivo Orlandi | SHO | Olympics | 1968 | 0–1–0 1966 San Juan SHO silver: trap team | |
| Armando Orozco | ATH | Olympics | 1980 | 1–0–0 1978 Medellín ATH gold: hammer throw | |
| Lisseth Orozco | JUD | Olympics | 2004 | 1–1–1 2002 San Salvador JUD gold: extra-lightweight -48 kg; 2006 Cartagena de Indias JUD silver: extra-lightweight -48 kg, bronze: team | |
| Mauricio Ortega | ATH | Olympics | 2016—2024 | 1–1–0 2014 Veracruz ATH silver: discus throw; 2018 Barranquilla ATH gold: discus throw | |
| Norman Ortega | SHO | Olympics | 1992 | 0–0–1 1990 Ciudad de México SHO bronze: 10 m running target team | |
| Rafael Ortega | WLF | Olympics | 1976 | 0–1–2 1974 Santo Domingo WLT bantamweight -56 kg bronze: snatch and clean & jerk; 1978 Medellín WLT silver: flyweight -52 kg clean & jerk | |
| Joaquín Orth | EDR | Olympics | 1996 | 5–3–0 1990 Ciudad de México EQU gold: dressage individual, dressage individual final, and dressage team; 1993 Ponce EQU gold: dressage team, silver: dressage individual; 2002 San Salvador EQU gold: dressage team, silver: dressage individual and dressage individual final | |
| Carlos Ortiz | WRE | Olympics | 2000 | 2–0–0 1993 Ponce WRE gold: freestyle featherweight -62 kg; 1998 Maracaibo WRE gold: freestyle lightweight -63 kg | |
| César Ortiz | SHO | Olympics | 1992 | 6–0–0 1990 Ciudad de México SHO gold: trap and trap team; 1993 Ponce SHO gold: trap, double trap, trap team, and double trap team | |
| Fidel Ortiz | BOX | Olympics | 1928—1936 | 2–0–0 1935 San Salvador BOX gold: bantamweight -118 pounds; 1938 Panamá BOX gold: bantamweight -118 pounds | |
| Idalys Ortiz | JUD | Olympics / Opening Flagbearer | 2008—2024 | 4–0–0 2014 Veracruz JUD gold: heavyweight +78 kg and team; 2018 Barranquilla JUD gold: heavyweight +78 kg and team | |
| Jacqueline Ortiz | SBL | Olympics | 1996 | 2–1–0 1986 Santiago de los Caballeros SOF gold; 1990 Ciudad de México SOF silver; 1993 Ponce SOF gold | |
| Jesús Ortiz | FEN | Olympics | 1980 | 3–1–0 1982 La Habana FEN gold: sabre team, silver: sabre; 1986 Santiago de los Caballeros FEN gold: sabre and sabre team | |
| José Rafael Ortiz | BKB | Olympics | 1988—2004 | 1–1–0 1990 Ciudad de México BAS silver; 1993 Ponce BAS gold | |
| Juan Ortiz | BBL | Non-starter | 1984 | 1–0–0 1982 La Habana BSB gold | |
| Ludwing Ortiz | JUD | Olympics | 2000—2008 | 1–1–3 1998 Maracaibo JUD silver: half-lightweight -66 kg; 2002 San Salvador JUD gold: half-lightweight -66 kg; 2006 Cartagena de Indias JUD bronze: half-lightweight -66 kg, team, and kata | |
| Luis Ortiz | SHO | Olympics | 1984 | 0–4–0 1978 Medellín SHO silver: 50 m free pistol team; 1986 Santiago de los Caballeros SHO silver: 50 m free pistol team, 25 m standard pistol team, and 10 m air pistol team | |
| Manuel Ortiz | FEN | Olympics / Referee | 1968—1992 | 5–0–0 1970 Panamá FEN gold: sabre and sabre team; 1978 Medellín FEN gold: sabre and sabre team; 1982 La Habana FEN gold: sabre team | |
| Mariano Ortiz | BKB | Olympics | 1968—1976 | 0–1–1 1970 Panamá BAS bronze; 1974 Santo Domingo BAS silver | |
| Melissa Ortiz | FBL | Olympics / Non-starter | 2012—2016 | 0–1–0 2014 Veracruz FTB silver | |
| Mirna Ortiz | ATH | Olympics | 2012—2020 | 1–0–0 2014 Veracruz ATH gold: 20 km walk | |
| Nuria Ortiz | SHO | Olympics | 1968—1988 | 0–1–0 1970 Panamá SHO silver: skeet team | |
| Tania Ortiz | VVO | Olympics | 1992 | 2–0–0 1986 Santiago de los Caballeros VOL gold; 1990 Ciudad de México VOL gold | |
| Tatiana Ortiz | DIV | Olympics / Closing Flagbearer | 2008 | 1–0–0 2006 Cartagena de Indias DIV gold: 1 m springboard | |
| Yaima Ortiz | VVO | Olympics | 2004—2008 | 0–1–0 2006 Cartagena de Indias VOL silver | |
| Zuleidis Ortiz | FEN | Olympics | 2000 | 3–0–1 1998 Maracaibo FEN gold: épée team, bronze: épée; 2006 Cartagena de Indias FEN gold: épée and épée team | |
| Liván Osoria | VVO | Olympics | 2016 | 0–0–1 2014 Veracruz VOL bronze | |
| Julio Osorio | BBL/BKB | Olympics / Opening Flagbearer | 1968 | 1–1–0 1962 Kingston BAS silver; 1970 Panamá BAS gold | |
| Erick Osornio | TKW | Olympics | 2012 | 1–0–0 2002 San Salvador TKW gold: featherweight -67 kg | |
| Diana Ospina | FBL | Olympics | 2016 | 0–1–0 2014 Veracruz FTB silver | |
| Chinedum Osuji | TKW | Olympics | 2004 | 0–1–0 2006 Cartagena de Indias TKW silver: welterweight -78 kg | |
| César Osuna | VVO | Olympics | 1968 | 0–0–1 1970 Panamá VOL bronze | |
| Rafael Osuna | TEN | Non-Medal | 1968 | 2–0–0 1966 San Juan TEN gold: singles and doubles | |
| Pedro Otero | BKB | Olympics | 1948 | 0–1–0 1946 Barranquilla BAS silver | |
| Heiner Oviedo | TKW | Olympics | 2012 | 0–0–2 2010 Mayagüez TKW bronze: finweight -54 kg; 2018 Barranquilla TKW bronze: finweight -54 kg | |
| Luis Oviedo | VVO | Olympics | 1980 | 2–0–0 1978 Medellín VOL gold; 1986 Santiago de los Caballeros VOL gold | |
| Tamara Oynick | SWM | Olympics | 1968 | 1–2–0 1966 San Juan SWI gold: 200 m breaststroke, silver: 100 m breaststroke and 4×100 m medley relay | |
| Nikita Pablo | SWA | Olympics | 2016 | 0–0–1 2010 Mayagüez SYN bronze: group free (competed for Aruba) | |
| Antonio Pacheco | BBL | Olympics / Coach | 1992—2008 | 4–0–0 1986 Santiago de los Caballeros BSB gold; 1990 Ciudad de México BSB gold; 1993 Ponce BSB gold; 1998 Maracaibo BSB gold | |
| Rommel Pacheco | DIV | Olympics / Opening Flagbearer | 2004—2020 | 2–4–2 2002 San Salvador DIV silver: platform; 2006 Cartagena de Indias DIV silver: 1 m springboard and 3 m springboard, bronze: platform; 2010 Mayagüez DIV silver: platform; 2018 Barranquilla DIV gold: 3 m springboard and synchronized springboard, bronze: 1 m springboard | |
| Álvaro Pachón | CRD | Olympics | 1968—1976 | 0–1–0 1974 Santo Domingo CYC silver: road time trial team | |
| Gerardo Padilla | JUD | Olympics | 1976—1984 | 0–1–0 1978 Medellín JUD silver: half-lightweight -65 kg | |
| Juan Padilla | BBL | Olympics | 1992—1996 | 2–0–0 1986 Santiago de los Caballeros BSB gold; 1993 Ponce BSB gold | |
| Ramón Padilla | BBL | Olympics | 1996 | 0–1–0 1998 Maracaibo BSB silver | |
| Yenifer Padilla | ATH | Olympics | 2012 | 0–1–3 2010 Mayagüez ATH silver: 4×400 m relay; 2014 Veracruz ATH bronze: 400 m and 4×400 m relay; 2018 Barranquilla ATH bronze: 4×400 m relay | |
| Rodolfo Padrón | WRE | Olympics | 1952 | 0–0–2 1954 Ciudad de México WRE bronze: freestyle middleweight -79 kg; 1970 Panamá WRE bronze: freestyle heavyweight -100 kg | |
| Francisco Páez | SWM | Olympics | 2000 | 2–2–0 1998 Maracaibo SWI gold: 4×100 m freestyle relay; 2002 San Salvador SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle and 4×100 m medley relay | |
| Leonardo Páez | MTB | Olympics | 2008—2012 | 1–0–0 2014 Veracruz CYC gold: mountain biking | |
| Víctor Ángel Pagán | WLF | Olympics | 1964—1972 | 3–2–1 1962 Kingston WLT gold: lightweight -67.5 kg; 1966 San Juan WLT gold: middleweight -75 kg; 1970 Panamá WLT light-heavyweight -82.5 kg gold: clean & jerk, silver: total and press, bronze: snatch | |
| Mariana Pajón | BMX | Olympics / Opening Flagbearer / Closing Flagbearer | 2012—2024 | 2–0–0 2010 Mayagüez CYC gold: BMX; 2014 Veracruz CYC gold: BMX | |
| Ermenegildo Palacio | ROW | Olympics | 1976—1980 | 1–0–0 1982 La Habana ROW gold: coxless pairs |