Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Danas Rapšys | SWM | Olympics | 2016—2024 | 2–0–1 2017 Taipei SWI gold: 200 m freestyle and 200 m backstroke, bronze: 100 m backstroke | |
| Laurence Rase | TKW | Olympics | 2004 | 0–0–1 2005 İzmir TKW bronze: heavyweight +72 kg | |
| Milena Rašić | VVO | Olympics | 2012—2020 | 0–1–0 2009 Beograd VOL silver | |
| Elshod Rasulov | BOX | Olympics / Opening Flagbearer | 2008—2016 | 0–0–1 2013 Kazan BOX bronze: light-heavyweight -81 kg | |
| Julia Ratcliffe | ATH | Olympics / YOG | 2010—2020 | 0–0–1 2015 Gwangju ATH bronze: hammer throw | |
| Sanchai Ratiwatana | TEN | Olympics | 2016 | 1–0–1 2003 Daegu TEN bronze: doubles; 2007 Bangkok TEN gold: doubles | |
| Sonchat Ratiwatana | TEN | Olympics | 2016 | 1–0–1 2003 Daegu TEN bronze: doubles; 2007 Bangkok TEN gold: doubles | |
| Yuliya Ratkeviç | WRE | Olympics | 2012—2016 | 1–0–0 2013 Kazan WRE gold: freestyle super-welterweight -59 kg | |
| Jamie Rauch | SWM | Olympics | 2000 | 1–0–0 1997 Catania SWI gold: 4×200 m freestyle relay | |
| Mario Ravagnan | FEN | Olympics | 1956—1964 | 0–1–0 1959 Torino FEN silver: sabre team | |
| Jean-Louis Ravelomanantsoa | ATH | Olympics | 1964—1972 | 0–0–1 1970 Torino ATH bronze: 100 m | |
| Chris Rawlinson | ATH | Olympics | 2000—2004 | 0–1–1 1997 Catania ATH bronze: 4×400 m relay (ran in heats only); 1999 Palma de Mallorca ATH silver: 4×400 m relay | |
| Alexis Raynaud | SHO | Olympics | 2016 | 1–1–1 2015 Gwangju SHO gold: 50 m rifle prone team, silver: 50 m rifle three positions team, bronze: 50 m rifle three positions | |
| Andrey Razin | ATH | Olympics | 1988 | 0–1–0 1989 Duisburg ATH silver: 4×100 m relay | |
| Bianca Răzor | ATH | Olympics / YOG | 2010—2016 | 0–0–2 2017 Taipei ATH bronze: 400 m and 4×400 m relay | |
| Vira Rebryk | ATH | Olympics | 2008—2012 | 0–1–0 2009 Beograd ATH silver: javelin throw | |
| Michael Redd | BKB | Olympics | 2008 | 1–0–0 1999 Palma de Mallorca BAS gold | |
| Meliz Redif | ATH | Olympics | 2012 | 0–1–0 2011 Shenzhen ATH silver: 4×400 m relay | |
| András Rédli | FEN | Olympics | 2016 | 1–0–0 2007 Bangkok FEN gold: épée | |
| Chantal Réga | ATH | Olympics | 1976—1980 | 0–0–1 1979 Ciudad de México ATH bronze: 4×100 m relay | |
| Zuzana Rehák Štefečeková | SHO | Olympics / Opening Flagbearer | 2008—2024 | 1–0–1 2007 Bangkok SHO gold: trap, bronze: double trap | |
| Serhiy Reheda | ATH | YOG | 2010 | 0–1–0 2019 Naples ATH silver: hammer throw | |
| Ines Reichenbach-Müller | ATH | Olympics | 1980—1988 | 0–1–0 1981 București ATH silver: shot put (competed as Ines Müller) | |
| Sara Reiling-Hildebrand | DIV | Olympics | 2000—2004 | 0–1–3 2003 Daegu DIV silver: team, bronze: platform, synchronized springboard, and synchronized platform (competed as Sara Hildebrand) | |
| Brendan Reilly | ATH | Olympics | 1992—2000 | 0–0–1 1995 Fukuoka ATH bronze: high jump (competed for Great Britain) | |
| Heidi Reineck | SWM | Olympics | 1968—1972 | 0–0–2 1973 Moskva SWI bronze: 100 m freestyle and 4×100 m freestyle relay | |
| Gabi Reinsch | ATH | Olympics | 1988 | 0–2–0 1987 Zagreb ATH silver: discus throw; 1989 Duisburg silver: discus throw | |
| Glenda Reiser | ATH | Olympics | 1972 | 0–1–0 1973 Moskva ATH silver: 1500 m | |
| Lauren Rembi | FEN | Olympics | 2016 | 3–0–0 2011 Shenzhen FEN gold: épée and épée team; 2013 Kazan FEN gold: épée team | |
| Ren Lei | BKB | Olympics | 2004 | 0–1–0 2001 Beijing BAS silver | |
| Silke Renk | ATH | Olympics | 1988—1996 | 1–0–0 1989 Duisburg ATH gold: javelin throw (competed for East Germany) | |
| Reinhardt van Rensburg | ATH | Olympics | 2016 | 0–0–1 2015 Gwangju ATH bronze: 800 m | |
| Lach Renshaw | ATH | Olympics | 2008 | 1–0–0 2011 Shenzhen ATH gold: 800 m | |
| Yekaterina Renzhina | ATH | YOG | 2010 | 1–0–0 2013 Kazan ATH gold: 4×400 m relay | |
| Jozef Repčík | ATH | Olympics | 2008—2016 | 0–1–0 2013 Kazan ATH silver: 800 m | |
| Pavel Řeřábek | VVO | Olympics | 1976—1980 | 0–1–0 1977 Sofia VOL silver | |
| Sandro Resegotti | FEN | Olympics | 1992 | 2–0–0 1987 Zagreb FEN gold: épée team; 1989 Duisburg FEN gold: épée team | |
| Veniamin Reshetnikov | FEN | Olympics | 2012—2020 | 1–0–3 2007 Bangkok FEN bronze: sabre and sabre team; 2013 Kazan FEN gold: sabre team, bronze: sabre | |
| Jochen Reske | ATH | Olympics | 1960 | 0–2–0 1963 Porto Alegre ATH silver: 400 m and 4×400 m relay (competed for West Germany) | |
| Colette Revenu | FEN | Olympics | 1964 | 1–0–2 1963 Porto Alegre FEN gold: foil team; 1965 Budapest FEN bronze: foil team; 1967 Tokyo FEN bronze: foil | |
| Daniel Revenu | FEN | Olympics | 1964—1976 | 1–1–4 1963 Porto Alegre FEN bronze: foil; 1965 Budapest FEN gold: foil team, bronze: foil; 1967 Tokyo FEN silver: foil, bronze: foil team and sabre team | |
| Martin Reynolds | ATH | Olympics | 1972 | 1–0–0 1970 Torino ATH gold: 200 m | |
| Marta Rezoagli | BKB | Olympics | 1996 | 1–0–0 1995 Fukuoka BAS gold | |
| Kim Rhodenbaugh | SWM | Olympics | 1984 | 1–0–0 1987 Zagreb SWI gold: 4×100 m medley relay | |
| Ri Hae-Yon | GAR | Olympics | 2004 | 0–1–0 2005 İzmir GYM silver: team | |
| Ri Hyun-Ju | DIV | Olympics | 2012 | 1–1–0 2017 Taipei DIV gold: platform, silver: synchronized platform | |
| Ri Ok-Rim | DIV | Olympics | 1996—2000 | 0–0–2 2001 Beijing DIV bronze: platform and team | |
| Ri Se-Gwang | GAR | Olympics | 2016 | 0–1–1 2009 Beograd GYM silver: floor, bronze: rings | |
| Ri Song-Gum | WLF | YOG | 2014 | 1–0–0 2017 Taipei WLT gold: flyweight -48 kg | |
| Ri Un-Suk | FBL | Olympics | 2008 | 1–0–0 2003 Daegu FTB gold | |
| Luísa Ribeiro | GAR | Olympics | 1988—1992 | 0–1–0 1993 Buffalo GYM silver: horse vault | |
| Philippe Riboud | FEN | Olympics / Opening Flagbearer | 1976—1988 | 1–1–0 1977 Sofia FEN gold: épée, silver: épée team | |
| Elivia Ricci | ATH | Olympics | 1960 | 0–1–0 1959 Torino ATH silver: discus throw | |
| Mike Richards | SWM | Olympics | 1972 | 0–0–2 1970 Torino SWI bronze: 100 m backstroke and 200 m backstroke | |
| O'Dayne Richards | ATH | Olympics | 2016 | 1–0–0 2011 Shenzhen ATH gold: shot put | |
| Samantha Richards | BKB | Olympics | 2012 | 1–0–0 2007 Bangkok BAS gold | |
| Sandie Richards | ATH | Olympics / Opening Flagbearer | 1988—2004 | 0–0–1 1987 Zagreb ATH bronze: 400 m | |
| Jill Richardson-Briscoe | ATH | Olympics | 1984—1992 | 0–1–0 1983 Edmonton ATH silver: 4×400 m relay (competed as Jill Richardson) | |
| Passion Richardson | ATH | Olympics | 2000 | 1–0–0 1997 Catania ATH gold: 4×100 m relay | |
| Mitch Richmond | BKB | Olympics | 1988—1996 | 0–1–0 1987 Zagreb BAS silver | |
| Frank Richter | ROW | Olympics | 1992—1996 | 0–1–0 1989 Duisburg ROW silver: coxless pairs | |
| Simona Richter | JUD | Olympics | 1992—2000 | 0–1–0 1999 Palma de Mallorca JUD silver: half-heavyweight -78 kg | |
| Steve Riddick | ATH | Olympics | 1976 | 1–0–0 1973 Moskva ATH gold: 4×100 m relay | |
| Jon Ridgeon | ATH | Olympics | 1988—1996 | 1–0–0 1987 Zagreb ATH gold: 110 m hurdles | |
| Mariya Riemien | ATH | Olympics | 2012—2016 | 1–0–0 2013 Kazan ATH gold: 4×100 m relay | |
| Flavia Rigamonti | SWM | Olympics | 2000—2008 | 2–0–0 2007 Bangkok SWI gold: 800 m freestyle and 1500 m freestyle | |
| Phil Riker | SWM | Olympics | 1964 | 1–1–0 1965 Budapest SWI gold: 4×100 m medley relay, silver: 200 m butterfly | |
| Ruth Riley | BKB | Olympics | 2004 | 0–1–0 1999 Palma de Mallorca BAS silver | |
| Rim Jong-Sim | WLF | Olympics | 2012—2016 | 1–0–0 2017 Taipei WLT gold: middle-heavyweight -75 kg | |
| Sandro Riminucci | BKB | Olympics | 1960 | 0–1–0 1959 Torino BAS silver | |
| Vilma Rimšaitė | BMX | Olympics | 2012 | 1–0–0 2011 Shenzhen CYC gold: BMX racing | |
| Richard Ringer | ATH | Olympics | 2016—2024 | 0–0–1 2013 Kazan ATH bronze: 5000 m | |
| Pandelela Rinong | DIV | Olympics / YOG / Opening Flagbearer / Closing Flagbearer | 2008—2020 | 0–1–2 2011 Shenzhen DIV silver: platform, bronze: synchronized platform and team | |
| Ágatha Rippel | VBV | Olympics | 2016—2020 | 0–0–1 2011 Shenzhen BVO bronze | |
| Irina Risenzon | GRY | Olympics | 2008 | 0–1–0 2009 Beograd RGY silver: hoop | |
| Kiro Ristov | WRE | Olympics | 1976—1980 | 0–0–1 1981 București WRE bronze: freestyle welterweight -74 kg | |
| Andy Ritchie | SWM | Olympics | 1976 | 0–0–1 1977 Sofia SWI bronze: 400 m medley | |
| Saulius Ritter | ROW | Olympics | 2012—2020 | 2–0–0 2013 Kazan ROW gold: double sculls; 2015 Gwangju ROW gold: souble dculls | |
| Luis Rivera | ATH | Olympics | 2012 | 1–0–0 2013 Kazan ATH gold: long jump | |
| Hanna Rizatdinova | GRY | Olympics | 2012—2016 | 1–3–4 2013 Kazan RGY silver: clubs, bronze: individual, ball, and hoop; 2015 Gwangju RGY gold: clubs, silver: individual and ball, bronze: ribbon | |
| Audrey La Rizza | JUD | Olympics | 2008 | 1–0–1 2003 Daegu JUD gold: half-lightweight -52 kg, bronze: team | |
| Manfredi Rizza | CSP | Olympics | 2016—2020 | 0–1–0 2013 Kazan CAN silver: K1 200 m | |
| Martina Rizzelli | GAR | Olympics | 2016 | 0–0–1 2019 Napoli GYM bronze: team | |
| Philippe Rizzo | GAR | Olympics | 2000—2004 | 1–0–0 2001 Beijing GYM gold: horizontal bar | |
| Aidan Roach | WPO | Olympics | 2012—2020 | 1–0–0 2009 Beograd WAP gold | |
| Adam Robak | FEN | Olympics | 1980 | 1–1–0 1977 Sofia FEN silver: foil team; 1985 Kobe FEN gold: foil | |
| Curtis Robb | ATH | Olympics | 1992—1996 | 0–1–0 1991 Sheffield ATH silver: 800 m | |
| Justine Robbeson | ATH | Olympics | 2008 | 0–0–2 2005 İzmir ATH bronze: javelin throw; 2011 Shenzhen ATH bronze: javelin throw | |
| Catherine Roberge | JUD | Olympics | 2004 | 0–1–1 2003 Daegu JUD silver: middleweight -70 kg; 2007 Bangkok JUD bronze: middleweight -70 kg | |
| Mélina Robert-Michon | ATH | Olympics / Athlete Oath Taker / Opening Flagbearer | 2000—2024 | 0–0–1 2001 Beijing ATH bronze: discus throw | |
| Karen Roberts | JUD | Olympics | 2000 | 0–1–0 1999 Palma de Mallorca JUD silver: half-middleweight -63 kg | |
| Martin Roberts | SWM | Olympics | 1988—1992 | 2–0–0 1993 Buffalo SWI gold: 100 m butterfly and 200 m butterfly | |
| Roger Roberts | SWM | Olympics | 1968 | 0–0–1 1967 Tokyo SWI bronze: 4×100 m medley relay | |
| Trish Roberts | BKB | Olympics | 1976 | 0–1–0 1977 Sofia BAS silver | |
| Carl Robie | SWM | Olympics | 1964—1968 | 2–3–0 1965 Budapest SWI gold: 200 m butterfly, silver: 400 m medley; 1967 Tokyo SWI gold: 4×200 m freestyle relay, silver: 100 m butterfly and 200 m butterfly | |
| Arnie Robinson | ATH | Olympics | 1972—1976 | 0–1–0 1970 Torino ATH silver: long jump | |
| Emma Robinson | ROW | Olympics | 1996—2000 | 0–1–0 1993 Buffalo ROW silver: quadruple sculls | |
| Garth Robinson | ATH | Olympics | 1996 | 0–1–0 1997 Catania ATH silver: 4×400 m relay | |
| Kevin Robinzine | ATH | Olympics | 1988 | 1–0–0 1987 Zagreb ATH gold: 4×400 m relay | |
| Juan Carlos Robles | VVO | Olympics | 1992—2000 | 0–1–0 1995 Fukuoka VOL silver | |
| Valentin Robu | ROW | Olympics | 1988—2000 | 2–0–0 1987 Zagreb ROW gold: coxed fours; 1989 Duisburg ROW gold: coxed fours | |
| Luc Rocheleau | FEN | Olympics | 1988 | 0–1–0 1987 Zagreb FEN silver: épée team | |
| Valentina Rodini | ROW | Olympics | 2016—2020 | 0–0–1 2015 Gwangju ROW bronze: lightweight coxless pairs | |
| Henrik Rödl | BKB | Olympics / Coach | 1992—2020 | 0–0–1 1989 Duisburg BAS bronze (competed for West Germany) | |
| Brendon Rodney | ATH | Olympics | 2016—2024 | 0–1–0 2013 Kazan ATH silver: 4×400 m relay | |
| Pierre Rodocanachi | FEN | Olympics / Referee | 1964—1968 | 1–0–2 1959 Torino FEN bronze: foil team; 1965 Budapest FEN gold: foil team; 1967 Tokyo FEN bronze: foil team | |
| Mosiah Rodrigues | GAR | Olympics | 2004 | 0–1–0 2005 İzmir GYM silver: horizontal bar | |
| Álvaro Rodríguez | ATH | Olympics | 2012 | 0–1–0 2007 Bangkok ATH silver: 1500 m | |
| Ernesto Rodríguez | VVO | Olympics | 1992—2000 | 0–1–0 1995 Fukuoka VOL silver | |
| Joel Rodríguez | DIV | Olympics | 1996—2000 | 0–2–0 2001 Beijing DIV silver: synchronized springboard and team | |
| Jarosław Rodzewicz | FEN | Olympics | 1996 | 0–1–0 1999 Palma de Mallorca FEN silver: foil team | |
| Lyudmila Rogachova | ATH | Olympics | 1992—2000 | 0–0–1 1989 Duisburg ATH bronze: 1500 m (competed for the Soviet Union) | |
| Markus Rogan | SWM | Olympics / Opening Flagbearer | 2000—2012 | 1–1–1 2005 İzmir SWI bronze: 200 m freestyle; 2007 Bangkok SWI gold: 200 m backstroke, silver: 100 m backstroke | |
| Brittany Rogers | GAR | Olympics | 2012—2016 | 1–1–0 2017 Taipei GYM gold: vault, silver: team | |
| Bruce Rogers | SWM | Olympics | 1976 | 0–0–1 1977 Sofia SWI bronze: 200 m butterfly | |
| Michelle Rogers | JUD | Olympics | 1996—2008 | 1–1–0 2001 Beijing JUD gold: half-heavyweight -78 kg, silver: team | |
| Oksana Rogova | ATH | Olympics | 2000 | 1–0–0 2003 Daegu ATH gold: triple jump | |
| Lyudmila Rogozhina | BKB | Olympics | 1980 | 1–0–0 1981 București BAS gold | |
| Nadine Rohr | ATH | Olympics | 2004 | 0–1–1 2003 Daegu ATH bronze: pole vault; 2005 İzmir ATH silver: pole vault | |
| Miloslav Roľko | SWM | Olympics | 1976—1980 | 0–0–4 1979 Ciudad de México SWI bronze: 100 m butterfly; 1985 Kobe SWI bronze: 4×100 m medley relay (swam in heats only) (competed as Miloslav Rolko for West Germany); 1987 Zagreb SWI bronze: 4×100 m freestyle relay and 4×100 m medley relay (competed as Miloslav Rolko for West Germany) | |
| Andrea Rolla | SWM | Olympics | 2012 | 1–1–0 2009 Beograd SWI gold: 50 m freestyle, silver: 4×100 m freestyle relay | |
| Annika Roloff | ATH | Olympics | 2016 | 0–1–0 2017 Taipei ATH silver: pole vault | |
| Witold Roman | VVO | Olympics | 1996 | 1–1–0 1991 Sheffield VOL gold; 1993 Buffalo VOL silver | |
| Mykhailo Romanchuk | SWM | Olympics / YOG / Opening Flagbearer | 2014—2024 | 1–2–0 2017 Taipei SWI gold: 400 m freestyle, silver: 800 m freestyle and 1500 m freestyle | |
| Vitaly Romanchuk | WPO | Olympics | 1976 | 2–0–0 1970 Torino WAP gold; 1973 Moskva WAP gold | |
| Tommaso Romani | SWM | YOG | 2010 | 0–0–1 2013 Kazan SWI bronze: 4×100 m freestyle relay (swam in heats only) | |
| Aleksandr Romankov | FEN | Olympics / Opening Flagbearer | 1976—2008 | 3–1–1 1977 Sofia FEN gold: foil team, bronze: foil; 1979 Ciudad de México FEN gold: foil and foil team; 1981 București FEN silver: foil team | |
| Marco Romano | ROW | Olympics | 1984 | 0–0–1 1987 Zagreb ROW bronze: coxless pairs | |
| Leonid Romanov | FEN | Olympics / Referee | 1972—1976 | 2–0–0 1970 Torino FEN gold: foil and foil team | |
| Yelena Romanova | ATH | Olympics | 1988—1996 | 0–1–0 1983 Edmonton ATH silver: 3000 m (competed as Yelena Malykina for the Soviet Union) | |
| Svetlana Romashina | SWA | Olympics / Closing Flagbearer | 2008—2020 | 2–0–0 2013 Kazan SYN gold: solo and duet | |
| Fulgencia Romay | ATH | Olympics | 1968—1976 | 0–0–1 1963 Porto Alegre ATH bronze: 4×100 m relay | |
| Iryna Romoldanova | TKW | YOG | 2010 | 1–0–1 2017 Taipei TKW gold: finweight -46 kg; 2019 Napoli TKW bronze: flyweight -49 kg | |
| Peter Rono | ATH | Olympics | 1988 | 0–1–0 1989 Duisburg ATH silver: 1500 m | |
| Sean Rooney | VVO | Olympics | 2008—2012 | 0–0–1 2003 Daegu VOL bronze | |
| Chiara Rosa | ATH | Olympics | 2008—2012 | 0–1–0 2009 Beograd ATH silver: shot put | |
| Janette Roscoe | ATH | Olympics / Non-starter | 1972—1976 | 0–0–1 1967 Tokyo ATH bronze: 200 m (competed as Janette Champion) | |
| Heide Rosendahl | ATH | Olympics | 1968—1972 | 1–0–1 1970 Torino ATH gold: long jump, bronze: 4×100 m relay | |
| Horst Rosenfeldt | DIV | Olympics | 1964 | 0–3–0 1961 Sofia DIV silver: platform; 1963 Porto Alegre DIV silver: 3 m springboard and platform | |
| Tatyana Roslanova | ATH | Olympics | 2004 | 0–0–1 2005 İzmir ATH bronze: 400 m | |
| Alicja Rosolska | TEN | Olympics | 2008—2024 | 0–2–0 2009 Beograd TEN silver: doubles and team | |
| Rafał Rosolski | CSP | Olympics | 2016 | 0–1–1 2013 Kazan CAN silver: K4 1000 m, bronze: K1 1000 m | |
| Ruggero Rossato | GAR | Olympics | 1992 | 1–0–1 1993 Buffalo GYM gold: team, bronze: rings | |
| Dante Rossi | WPO | Olympics | 1960—1964 | 0–0–1 1959 Torino WAP bronze | |
| Anna Rostkowska | ATH | Olympics | 2008 | 0–2–0 2003 Daegu ATH silver: 800 m and 4×400 m relay (competed as Anna Zagórska) | |
| Alina Rotaru-Kottmann | ATH | Olympics / YOG / Opening Flagbearer | 2010—2024 | 1–0–0 2017 Taipei ATH gold: long jump | |
| Dick Roth | SWM | Olympics | 1964 | 2–0–0 1965 Budapest SWI gold: 400 m medley and 4×200 m freestyle relay | |
| Alex Rousseau | WPO | Olympics | 1992—1996 | 1–0–0 1991 Sheffield WAP gold | |
| Catherine Rousselet-Ceretti | FEN | Olympics | 1964—1972 | 1–0–1 1963 Porto Alegre FEN gold: foil team (competed as Cathérine Rousselet); 1965 Budapest FEN bronze: foil team (competed as Cathérine Rousselet) | |
| Isabel le Roux | ATH | Olympics | 2008 | 0–1–0 2009 Beograd ATH silver: 200 m | |
| Jolanda de Rover | SWM | Olympics | 1980—1988 | 1–3–3 1985 Kobe SWI gold: 200 m backstroke, silver: 100 m backstroke and 4×100 m freestyle relay, bronze: 4×100 m medley relay; 1987 Zagreb SWI silver: 200 m backstroke, bronze: 100 m backstroke and 4×100 m medley relay | |
| Sarah Rowell | ATH | Olympics | 1984 | 1–0–0 1983 Edmonton ATH gold: marathon | |
| Małgorzata Różycka | SWM | Olympics | 1980 | 0–0–1 1981 București SWI bronze: 400 m medley | |
| Jan Różycki | FEN | Olympics | 1960—1964 | 2–0–0 1963 Porto Alegre FEN gold: foil team and épée team | |
| Michal Rubáček | SWM | Olympics | 2004—2008 | 0–0–1 2009 Beograd SWI bronze: 100 m butterfly | |
| Viktor Ruban | ARC | Olympics | 2004—2016 | 2–0–0 2005 İzmir ARC gold: recurve team; 2009 Beograd ARC gold: recurve | |
| Debbie Rudd | SWM | Olympics | 1976—1980 | 0–2–0 1979 Ciudad de México SWI silver: 100 m breaststroke and 200 m breaststroke | |
| Alena Rudkouskaya | SWM | Olympics | 1992—1996 | 0–0–1 1993 Buffalo SWI bronze: 100 m breaststroke (competed for Belarus) | |
| Vitali Rudnitski | GAR | Olympics | 1996—2000 | 1–0–0 1999 Palma de Mallorca GYM gold: floor | |
| Lyubov Rudovskaya | VVO | Olympics | 1976 | 2–0–0 1970 Torino VOL gold (competed as Liubov Tymofeieva); 1973 Moskva VOL gold (competed as Liubov Tymofeieva) | |
| Eduardo Rueda | DIV | Olympics | 2000 | 0–1–0 2001 Beijing DIV silver: team | |
| Simone Ruffini | OWS | Olympics | 2016 | 1–0–0 2011 Shenzhen SWI gold: 10 km open water | |
| Iulică Ruican | ROW | Olympics / Opening Flagbearer | 1992—1996 | 1–0–0 1993 Buffalo ROW gold: coxed fours | |
| Otilia Ruicu | ATH | Olympics / Non-starter | 2000—2004 | 0–1–0 2001 Beijing ATH silver: 400 m | |
| Rolando Ruiz | DIV | Olympics / Referee | 1980—2020 | 0–2–0 1977 Sofia DIV silver: 3 m springboard; 1979 Ciudad de México DIV silver: 3 m springboard | |
| Olga Rukavishnikova | ATH | Olympics | 1980 | 0–0–1 1975 Roma ATH bronze: pentathlon | |
| Davide Rummolo | SWM | Olympics | 2000 | 1–0–0 2001 Beijing SWI gold: 200 m breaststroke | |
| Angelė Rupšienė | BKB | Olympics | 1976—1980 | 1–0–0 1977 Sofia BAS gold | |
| Olena Rurak | ATH | Olympics | 1996—2000 | 0–0–2 1995 Fukuoka ATH bronze: 400 m and 4×400 m relay | |
| Lyubov Rusanova | SWM | Olympics | 1976 | 1–2–0 1973 Moskva SWI gold: 100 m breaststroke, silver: 4×100 m medley relay; 1977 Sofia SWI silver: 4×100 m medley relay | |
| Gretchen Rush | TEN | Non-Medal | 1984 | 0–1–1 1985 Kobe TEN silver: singles, bronze: doubles | |
| Sergey Rusin | SWM | Olympics | 1980 | 1–1–0 1979 Ciudad de México SWI gold: 400 m freestyle, silver: 200 m freestyle | |
| Valentyn Rusliakov | JUD | Olympics | 2000 | 0–0–1 1999 Palma de Mallorca JUD bronze: team | |
| Péter Rusorán | WPO | Olympics | 1960—1964 | 1–0–0 1965 Budapest WAP gold | |
| Carrie Russell | BOB | Olympics / Closing Flagbearer | 2018 | 1–0–1 2011 Shenzhen ATH gold: 100 m, bronze: 4×100 m relay | |
| Doug Russell | SWM | Olympics | 1968 | 2–1–0 1967 Tokyo SWI gold: 100 m butterfly and 4×100 m medley relay, silver: 100 m backstroke | |
| Keith Russell | DIV | Olympics / Referee | 1968—2008 | 1–1–0 1967 Tokyo DIV gold: 3 m springboard, silver: platform | |
| Ștefan Rusu | WRE | Olympics | 1976—1984 | 1–1–0 1977 Sofia WRE silver: Greco-Roman lightweight -68 kg; 1981 București WRE gold: Greco-Roman lightweight -68 kg | |
| Sabirzhan Ruziyev | FEN | Olympics / Administrator | 1976—2003 | 3–0–0 1973 Moskva FEN gold: foil team; 1977 Sofia FEN gold: foil and foil team | |
| Aleksandr Ryabov | ATH | Olympics | 2000—2004 | 0–1–0 2003 Daegu ATH silver: 4×100 m relay | |
| Sean Ryan | OWS | Olympics | 2016 | 1–0–0 2013 Kazan SWI gold: 1500 m freestyle | |
| Shane Ryan | SWM | Olympics | 2016—2024 | 1–0–0 2017 Taipei SWI gold: 50 m backstroke | |
| Ryang Chun-Hwa | WLF | Olympics | 2012 | 0–1–0 2011 Shenzhen WLT silver: flyweight -48 kg | |
| Ivan Rybovalov | SHO | Olympics | 2008 | 0–2–1 2007 Bangkok SHO silver: 50 m free pistol and 50 m free pistol team, bronze: 10 m air pistol team | |
| Olga Rypakova | ATH | Olympics / Opening Flagbearer | 2008—2020 | 1–0–0 2007 Bangkok ATH gold: long jump | |
| Agnieszka Rysiukiewicz | ATH | Olympics | 2000 | 0–1–0 1999 Palma de Mallorca ATH silver: 4×100 m relay | |
| Inna Ryskal | VVO | Olympics | 1964—1976 | 1–0–0 1965 Budapest VOL gold | |
| Ryu Un-Sil | DIV | Olympics | 1992 | 0–0–1 1991 Sheffield DIV bronze: platform | |
| Ahmed Saad | WLF | Olympics | 2004—2016 | 0–0–1 2013 Kazan WLT bronze: featherweight -62 kg | |
| Elvira Saadi | GAR | Olympics | 1972—1976 | 1–2–2 1973 Moskva GYM gold: team, silver: floor, horse vault, bronze: all-around and balance beam | |
| Roy Saari | SWM | Olympics | 1964 | 2–0–0 1965 Budapest SWI gold: 4×100 m freestyle relay and 4×200 m freestyle relay | |
| Nijolė Sabaitė | ATH | Olympics | 1972 | 0–1–0 1973 Moskva ATH silver: 800 m | |
| Mário Sabino Júnior | JUD | Olympics | 2000—2004 | 0–1–0 1995 Fukuoka JUD silver: middleweight -86 kg | |
| Ivan Šabjan | CSP | Olympics | 1988—1996 | 0–0–1 1987 Zagreb CAN bronze: C1 1000 m (competed for Yugoslavia) | |
| Arvydas Sabonis | BKB | Olympics | 1988—1996 | 1–0–0 1985 Kobe BAS gold | |
| Gianluigi Saccaro | FEN | Olympics | 1960—1972 | 1–0–3 1959 Torino FEN gold: épée team; 1963 Porto Alegre FEN bronze: épée, épée team, and sabre team | |
| Elisabetta Saccheggiani | SAL | Olympics | 2004 | 0–0–1 2005 İzmir SAI bronze: 470 women | |
| Jochen Sachse | ATH | Olympics | 1972—1976 | 1–0–0 1970 Torino ATH gold: discus throw | |
| Carla Sacramento | ATH | Olympics / Closing Flagbearer | 1992—2004 | 0–1–0 1997 Catania ATH silver: 1500 m | |
| Nataliya Sadova | ATH | Olympics | 1996—2008 | 2–0–0 1995 Fukuoka ATH gold: discus throw; 1997 Catania ATH gold: discus throw |