Host cities:
2023 Santiago (CHI)
Note: In 2003 the Three-Day Events have been held as Pan American Eventing Championships in Fair Hill, Maryland (USA) on 22-26 October 2003.
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Waldemar Blatskauskas | BKB | Olympics | 1960 | 0–1–1 1959 Chicago BAS bronze; 1963 São Paulo BAS silver | |
| Norge Blay | WPO | Olympics | 1992 | 1–0–0 1991 La Habana WAP gold | |
| Omar Blebel | WRE | Olympics | 1948—1952 | 2–0–0 1951 Buenos Aires WRE gold: freestyle featherweight -62 kg; 1955 Ciudad de México WRE gold: freestyle featherweight -62 kg | |
| Keston Bledman | ATH | Olympics | 2008—2016 | 0–1–1 2015 Toronto ATH bronze: 4×100 m relay; 2019 Lima ATH silver: 4×100 m relay | |
| Dick Blick | SWM | Olympics | 1960 | 1–0–0 1959 Chicago SWI gold: 4×200 m freestyle relay | |
| Héctor Blondet | BKB | Olympics | 1972—1976 | 0–1–0 1971 Cali BAS silver | |
| Tamir Bloom | FEN | Olympics | 1996—2000 | 0–2–0 1995 Mar del Plata FEN silver: épée and épée team | |
| Doug Blubaugh | WRE | Olympics | 1960 | 1–0–0 1959 Chicago WRE gold: freestyle welterweight -73 kg | |
| Robert Blum | FEN | Olympics | 1964—1968 | 1–0–0 1959 Chicago FEN gold: sabre team | |
| Gil Boa | SHO | Olympics / Opening Flagbearer | 1952—1972 | 0–2–1 1967 Winnipeg SHO silver: small-bore rifle prone team; 1971 Cali SHO silver: small-bore rifle prone, bronze: small-bore rifle prone team | |
| Ernesto Boardman | ARC | Olympics | 2016 | 1–0–0 2015 Toronto ARC gold: recurve team | |
| Kwaku Boateng | ATH | Olympics | 2000 | 1–0–0 1999 Winnipeg ATH gold: high jump | |
| Duane Bobick | BOX | Olympics | 1972 | 1–0–0 1971 Cali BOX gold: heavyweight +81 kg | |
| César Bocachica | BKB | Olympics | 1960 | 0–0–1 1963 São Paulo BAS bronze | |
| Boccardo | BKB | Olympics | 1960 | 0–0–1 1959 Chicago BAS bronze | |
| Kurt Boese | WRE | Olympics | 1960 | 0–0–1 1963 São Paulo WRE bronze: freestyle lightweight -70 kg | |
| Mariangee Bogado | SBL | Olympics | 2008 | 0–1–0 2007 Rio de Janeiro SOF silver | |
| Phil Boggs | DIV | Olympics | 1976 | 0–2–1 1975 Ciudad de México DIV silver: 3 m springboard; 1979 San Juan DIV silver: 3 m springboard, bronze: platform | |
| Aram Boghossian | SWM | Olympics | 1948—1952 | 0–1–0 1951 Buenos Aires SWI silver: 4×200 m freestyle relay | |
| Alex Bogomolov, Jr. | TEN | Olympics | 2012 | 0–0–1 2003 Santo Domingo TEN bronze: doubles (competed for the United States) | |
| Glenn Bogue | ATH | Olympics | 1976 | 0–0–1 1975 Ciudad de México ATH bronze: 4×400 m relay | |
| Maxime Boilard | CSP | Olympics | 2000 | 0–1–0 1999 Winnipeg CAN silver: C2 500 m | |
| Mathieu Bois | SWM | Olympics | 2008 | 0–0–2 2007 Rio de Janeiro SWI bronze: 100 m breaststroke and 4×100 m medley relay (swam in heats only) | |
| Martín Bojorge | BBL | Olympics | 1996 | 0–1–0 1995 Mar del Plata BSB silver | |
| René Bol | WPO | Olympics | 1984 | 0–0–2 1979 San Juan WAP bronze; 1983 Caracas WAP bronze | |
| Ato Boldon | ATH | Olympics / Opening Flagbearer | 1992—2004 | 0–1–0 2003 Santo Domingo ATH silver: 4×100 m relay | |
| Pat Bolger | WRE | Olympics | 1968—1972 | 0–1–1 1967 Winnipeg JUD silver: featherweight -63 kg; 1971 Cali WRE bronze: featherweight -62 kg | |
| Rod Boll | SHO | Olympics | 1996 | 1–0–0 1995 Mar del Plata SHO gold: double trap team | |
| Andrea Boltz | ROW | Olympics | 1996 | 0–0–1 1995 Mar del Plata ROW bronze: lightweight single sculls | |
| Bombarda | BKB | Olympics | 1956 | 0–0–2 1955 Ciudad de México BAS bronze; 1959 Chicago BAS bronze | |
| Carlos Alberto Bonacich | SWM | Olympics | 1952 | 0–0–1 1951 Buenos Aires SWI bronze: 4×200 m freestyle relay | |
| Bret Bonanni | WPO | Olympics | 2016 | 1–0–0 2015 Toronto WAP gold | |
| Roberto Bonanno | FBL | Olympics | 1960 | 1–0–0 1959 Chicago FTB gold | |
| Clive Bonas | ATH | Olympics | 1956—1960 | 0–2–0 1955 Ciudad de México ATH silver: 4×100 m relay; 1959 Chicago ATH silver: 4×100 m relay | |
| Bruno Bonfim | SWM | Olympics | 2004 | 0–0–1 2003 Santo Domingo SWI bronze: 400 m freestyle | |
| Caio Bonfim | ATH | Olympics | 2012—2024 | 0–1–1 2015 Toronto ATH bronze: 20 km walk; 2019 Lima ATH silver: 20 km walk | |
| Sarah Bonikowsky | ROW | Olympics | 2008 | 0–0–1 2011 Guadalajara ROW bronze: coxless pairs | |
| Daisurami Bonne | ATH | Olympics / Non-starter | 2008—2016 | 1–1–0 2011 Guadalajara ATH gold: 4×400 m relay, silver: 400 m | |
| Idalmis Bonne | ATH | Olympics | 1992—2000 | 2–1–0 1991 La Habana ATH silver: 4×100 m relay; 1995 Mar del Plata ATH gold: 4×400 m relay; 1999 Winnipeg ATH gold: 4×400 m relay | |
| Yowlys Bonne | WRE | Olympics | 2012—2016 | 1–0–1 2011 Guadalajara WRE bronze: freestyle lightweight -60 kg; 2015 Toronto WRE gold: freestyle featherweight -57 kg | |
| Gerardo Bönnhoff | ATH | Olympics | 1948—1952 | 0–0–1 1951 Buenos Aires ATH bronze: 4×100 m relay | |
| René Bonora | FBL | Olympics | 1976 | 0–0–1 1971 Cali FTB bronze | |
| César Bonoris | GAR | Olympics | 1948—1952 | 4–5–7 1951 Buenos Aires GYM gold: team, floor team, horizontal bar team, and pommelled horse team, silver: parallel bars team, rings team, and horse vault team, bronze: horizontal bars; 1955 Ciudad de México GYM silver: horizontal bar team and horse vault team, bronze: team, floor team, parallel bars team, rings team, and pommelled horse team; 1959 Chicago GYM bronze: team | |
| Martin Boonzaayer | JUD | Olympics | 2000—2004 | 0–0–1 2003 Santo Domingo JUD bronze: heavyweight +100 kg | |
| Melanie Booth | FBL | Non-starter | 2012 | 1–0–1 2007 Rio de Janeiro FTB bronze; 2011 Guadalajara FTB gold | |
| Rachel Bootsma | SWM | Olympics | 2012 | 2–0–0 2011 Guadalajara SWI gold: 100 m backstroke and 4×100 m medley relay | |
| Bob Boozer | BKB | Olympics | 1960 | 1–0–0 1959 Chicago BAS gold | |
| Carl Borack | FEN | Olympics | 1972 | 2–0–0 1967 Winnipeg FEN gold: épée team; 1971 Cali FEN gold: foil team | |
| Amanda Borden | GAR | Olympics | 1996 | 2–2–0 1995 Mar del Plata GYM gold: balance beam and team, silver: all-around and floor | |
| Cleopatra Borel-Brown | ATH | Olympics / Closing Flagbearer | 2004—2016 | 1–1–1 2007 Rio de Janeiro ATH bronze: shot put; 2011 Guadalajara ATH silver: shot put; 2015 Toronto ATH gold: shot put (competed as Cleopatra Borel) | |
| Fernando Borello | SHO | Olympics | 2016 | 0–1–0 2015 Toronto SHO silver: trap | |
| Bob Borg | EDR | Olympics | 1948—1956 | 0–1–0 1955 Ciudad de México EQU silver: dressage individual | |
| Aloysio Borges | MPN | Olympics | 1948—1952 | 0–2–0 1951 Buenos Aires MOP silver: team; 1963 São Paulo FEN silver: épée team | |
| Dagoberto Borges | FEN | Olympics | 1968 | 0–0–1 1967 Winnipeg FEN bronze: foil team | |
| Eric Borges | WPO | Olympics | 1984 | 0–1–2 1987 Indianapolis WAP bronze; 1991 La Habana WAP bronze; 1995 Mar del Plata WAP silver | |
| Felipe Borges | CSL | Olympics | 2016 | 0–0–2 2015 Toronto CAN bronze: C1 slalom; 2019 Lima CAN bronze: C1 slalom | |
| Felipe Borges | HBL | Olympics | 2008—2020 | 2–1–0 2007 Rio de Janeiro HAN gold; 2011 Guadalajara HAN silver; 2015 Toronto HAN gold | |
| Fernanda Borges | ATH | Olympics | 2016—2020 | 0–0–1 2019 Lima ATH bronze: discus throw | |
| Gabriel Borges | SAL | Olympics | 2016—2020 | 2–0–0 2011 Guadalajara SAI gold: Snipe; 2019 Lima SAI gold: 49er | |
| Gustavo Borges | SWM | Olympics / Closing Flagbearer | 1992—2004 | 8–8–3 1991 La Habana SWI gold: 100 m freestyle and 4×100 m freestyle relay, silver: 200 m freestyle and 4×200 m freestyle relay, bronze: 50 m freestyle; 1995 Mar del Plata SWI gold: 100 m freestyle and 200 m freestyle, silver: 4×100 m freestyle relay, 4×200 m freestyle relay, and 4×100 m medley relay; 1999 Winnipeg SWI gold: 200 m freestyle, 4×100 m freestyle relay, and 4×100 m medley relay, silver: 4×200 m freestyle relay, bronze: 100 m freestyle; 2003 Santo Domingo SWI gold: 4×100 m freestyle relay, silver: 4×200 m freestyle relay and 4×100 m medley relay, bronze: 100 m freestyle | |
| Lázaro Borges | ATH | Olympics | 2008—2012 | 1–0–0 2011 Guadalajara ATH gold: pole vault | |
| Maurício Borges | VVO | Olympics | 2016—2020 | 1–1–0 2011 Guadalajara VOL gold; 2015 Toronto VOL silver | |
| Andy Borodow | WRE | Olympics | 1992—1996 | 0–1–3 1991 La Habana WRE silver: freestyle super-heavyweight -130 kg, bronze: Greco-Roman super-heavyweight -130 kg; 1995 Mar del Plata WRE bronze: freestyle super-heavyweight -130 kg and Greco-Roman super-heavyweight -130 kg | |
| Andrea Borrell | BKB | Olympics | 1980—1992 | 1–2–0 1979 San Juan BAS gold; 1983 Caracas BAS silver; 1991 La Habana BAS silver | |
| Arseny Borrero | SHO | Olympics | 2004 | 0–1–0 2003 Santo Domingo SHO silver: 50 m free pistol | |
| Fernando Borrero | VVO | Olympics | 1996 | 1–0–1 1991 La Habana VOL bronze; 1995 Mar del Plata VOL gold | |
| Ismael Borrero | WRE | Olympics | 2016—2020 | 1–0–0 2019 Lima WRE gold: Greco-Roman welterweight -67 kg | |
| Yordanis Borrero | WLF | Olympics | 2008 | 2–0–0 2003 Santo Domingo WLT gold: lightweight -69 kg; 2007 Rio de Janeiro WLT gold: lightweight -69 kg | |
| Evelina Borroto | VVO | Olympics | 1972—1976 | 2–0–1 1967 Winnipeg VOL bronze; 1971 Cali VOL gold; 1975 Ciudad de México VOL gold | |
| Wenceslao Borroto | ROW | Olympics | 1980 | 1–0–0 1979 San Juan ROW gold: coxless fours | |
| Lisa Boscarino | JUD | Olympics / Non-Medal | 1988—1992 | 1–0–1 1987 Indianapolis JUD gold: half-lightweight -52 kg; 1991 La Habana JUD bronze: half-lightweight -52 kg | |
| Alicia María Boscatto | SWM | Olympics | 1984—1988 | 0–1–0 1987 Indianapolis SWI silver: 200 m breaststroke | |
| Dominique Bosshart | TKW | Olympics | 2000—2004 | 0–0–2 1995 Mar del Plata TKW bronze: heavyweight +70 kg; 1999 Winnipeg TKW bronze: heavyweight +67 kg | |
| Carlos Bossio | FBL | Olympics | 1996 | 1–0–0 1995 Mar del Plata FTB gold | |
| Kent Bostick | CTR | Olympics | 1996 | 2–0–0 1987 Indianapolis CYC gold: road time trial team; 1995 Mar del Plata CYC gold: 4000 m pursuit individual | |
| Ralph Boston | ATH | Olympics / Olympic Flagbearer | 1960—1996 | 2–0–0 1963 São Paulo ATH gold: long jump; 1967 Winnipeg ATH gold: long jump | |
| Mark Boswell | ATH | Olympics | 2000—2004 | 1–0–0 1999 Winnipeg ATH gold: high jump | |
| Justo Botelho | MPN | Olympics | 1960 | 0–1–0 1963 São Paulo MOP silver: team | |
| Juan Botella | DIV | Olympics | 1956—1960 | 0–0–1 1959 Chicago DIV bronze: platform | |
| Virgilio Botella | WPO | Olympics | 1968 | 0–0–1 1967 Winnipeg WAP bronze | |
| Santiago Botero | CRD | Olympics | 2000—2008 | 1–0–0 2007 Rio de Janeiro CYC gold: road time trial | |
| Molly Botkin | SWM | Olympics | 1960 | 1–1–1 1959 Chicago SWI gold: 4×100 m freestyle relay, silver: 100 m freestyle, bronze: 100 m butterfly | |
| Beth Botsford | SWM | Olympics | 1996 | 0–1–1 1999 Winnipeg SWI silver: 200 m backstroke, bronze: 100 m backstroke | |
| Miguel Ángel Botta | BOX | Olympics | 1960 | 1–0–0 1959 Chicago BOX gold: flyweight -51 kg | |
| Derek Bouchard-Hall | CTR | Olympics | 2000 | 1–0–0 1999 Winnipeg CYC gold: 4000 m pursuit team | |
| Antoine Bouchard | JUD | Olympics | 2016 | 0–1–0 2015 Toronto JUD silver: half-lightweight -66 kg | |
| Cal Bouchard | BKB | Olympics | 2000 | 0–1–0 1999 Winnipeg BAS silver | |
| Dominique Bouchard | SWM | Olympics | 2016 | 1–2–0 2015 Toronto SWI gold: 4×100 m freestyle relay (swam in heats only), silver: 200 m backstroke and 4×100 m medley relay | |
| Kelly Boucher | BKB | Olympics | 1996—2000 | 0–1–0 1999 Winnipeg BAS silver | |
| David Boudia | DIV | Olympics | 2008—2016 | 1–0–0 2007 Rio de Janeiro DIV gold: synchronized platform | |
| Marie-Pierre Boudreau-Gagnon | SWA | Olympics | 2008—2012 | 2–2–0 2007 Rio de Janeiro SYN silver: duet and group; 2011 Guadalajara SYN gold: duet and group | |
| Michel Boulos | FEN | Olympics | 2004 | 1–1–2 1999 Winnipeg FEN gold: sabre team, bronze: sabre; 2003 Santo Domingo FEN bronze: sabre; 2007 Rio de Janeiro FEN silver: sabre team | |
| Joël Bourgeois | ATH | Olympics | 1996—2000 | 1–1–0 1999 Winnipeg ATH gold: 3000 m steeplechase; 2003 Santo Domingo ATH silver: 3000 m steeplechase | |
| Philippe Bourret | BDM | Olympics | 2004 | 1–0–0 2003 Santo Domingo BDM gold: mixed doubles | |
| Dick Boushka | BKB | Olympics | 1956 | 1–0–0 1959 Chicago BAS gold | |
| Agustina Bouza | HOC | Non-starter | 2008 | 1–0–0 2007 Rio de Janeiro HOK gold | |
| Rómulo Bouzas | ROW | Olympics | 2000 | 0–1–0 1999 Winnipeg ROW silver: lightweight coxless fours | |
| George Bovell | SWM | Olympics / Opening Flagbearer / Closing Flagbearer | 2000—2016 | 2–2–2 2003 Santo Domingo SWI gold: 200 m freestyle and 200 m medley, silver: 100 m freestyle and 100 m backstroke; 2007 Rio de Janeiro SWI bronze: 50 m freestyle; 2015 Toronto SWI bronze: 50 m freestyle | |
| Brittany Bowe | SSK | Olympics | 2014—2026 | 1–0–0 2007 Rio de Janeiro RSS gold: combined sprint | |
| Riddick Bowe | BOX | Olympics | 1988 | 0–0–1 1987 Indianapolis BOX bronze: super-heavyweight +91 kg | |
| Alex Bowen | WPO | Olympics | 2016—2024 | 2–0–0 2015 Toronto WAP gold; 2019 Lima WAP gold | |
| Sharon Bowes | SHO | Olympics | 1984—2000 | 1–3–1 1987 Indianapolis SHO gold: 10 m air rifle; 1991 La Habana SHO silver: 10 m air rifle team, bronze: 10 m air rifle; 1995 Mar del Plata SHO silver: small-bore rifle 3 positions; 1999 Winnipeg SHO silver: 10 m air rifle | |
| Bernadette Bowyer | HOC | Olympics | 1992 | 0–1–2 1991 La Habana HOK silver; 1995 Mar del Plata HOK bronze; 1999 Winnipeg HOK bronze | |
| Andy Boychuk | ATH | Olympics | 1968 | 1–0–0 1967 Winnipeg ATH gold: marathon | |
| Justin Boyd | WPO | Olympics | 2008 | 0–1–1 2011 Guadalajara WAP silver; 2015 Toronto WAP bronze | |
| Greg Boyer | WPO | Olympics / Referee | 1988—2000 | 1–0–0 1987 Indianapolis WAP gold | |
| Beverly Boys | DIV | Olympics / Referee | 1968—2008 | 0–2–1 1967 Winnipeg DIV silver: platform; 1971 Cali DIV silver: platform bronze: 3 m springboard | |
| Francisco Boza | SHO | Olympics / Opening Flagbearer | 1980—2016 | 1–0–1 1995 Mar del Plata SHO bronze: double trap team; 2015 Toronto SHO gold: trap | |
| Scotty Bozek | FEN | Olympics | 1972—1976 | 2–1–0 1975 Ciudad de México FEN gold: épée team, silver: épée; 1979 San Juan FEN gold: épée team | |
| Diane Bracalente | HOC | Olympics | 1988 | 0–1–0 1987 Indianapolis HOK silver | |
| Alberto Bracero | BBL | Olympics / Non-Medal | 1988—1992 | 0–1–1 1991 La Habana BSB silver; 1995 Mar del Plata BSB bronze | |
| Carlos Braconi | WRE | Olympics | 1976 | 0–0–1 1975 Ciudad de México WRE bronze: freestyle super-heavyweight +100 kg | |
| Colin Bradford | ATH | Olympics | 1976—1980 | 0–1–0 1979 San Juan ATH silver: 4×400 m relay | |
| Vinnie Bradford | FEN | Olympics | 1984 | 0–1–2 1979 San Juan FEN bronze: foil team; 1983 Caracas FEN silver: foil team; 1987 Indianapolis FEN bronze: épée | |
| Alison Bradley | SBL | Olympics | 2004—2008 | 0–2–0 2003 Santo Domingo SOF silver; 2007 Rio de Janeiro SOF silver | |
| Bruce Bradley | WPO | Olympics | 1968—1972 | 1–0–0 1971 Cali WAP gold | |
| Stephen Bradley | EVE | Olympics | 1992 | 1–0–0 2003 Fair Hill EQU gold: Three-Day Event team (separate event); 2007 Rio de Janeiro EQU gold: Three-Day Event team | |
| Mark Bradshaw | DIV | Olympics | 1988 | 0–2–0 1991 La Habana DIV silver: 3 m springboard; 1995 Mar del Plata DIV silver: 3 m springboard | |
| Alberto Braga | SHO | Olympics | 1952 | 0–0–1 1951 Buenos Aires SHO bronze: small-bore rifle prone team | |
| Art Bragg | ATH | Olympics | 1952 | 1–2–0 1951 Buenos Aires ATH gold: 4×100 m relay, silver: 100 m and 200 m | |
| Don Bragg | ATH | Olympics | 1960 | 1–0–0 1959 Chicago ATH gold: pole vault | |
| Alan Brahmst | HOC | Olympics | 2000 | 1–1–0 1995 Mar del Plata HOK silver; 1999 Winnipeg HOK gold | |
| Ricardo Bralo | ATH | Olympics | 1948 | 1–1–0 1951 Buenos Aires ATH gold: 5000 m, silver: 10000 m | |
| Iain Brambell | ROW | Olympics | 2000—2008 | 0–2–0 2003 Santo Domingo ROW silver: eights and lightweight coxless fours | |
| Katie Brambley | SWM | Olympics | 2000 | 0–2–1 1995 Mar del Plata SWI silver: 4×100 m freestyle relay and 4×200 m freestyle relay, bronze: 400 m freestyle | |
| Nicole Branagh | VBV | Olympics | 2008 | 0–0–1 2003 Santo Domingo VOL bronze | |
| Branca | BKB | Olympics | 1996 | 0–1–1 1983 Caracas BAS bronze; 1987 Indianapolis BAS silver | |
| Laura Branchaud | HOC | Olympics | 1984—1988 | 0–0–1 1987 Indianapolis HOK bronze | |
| Kristina Brandi | TEN | Olympics | 2004 | 0–1–1 2003 Santo Domingo TEN silver: doubles, bronze: singles | |
| Terry Brands | WRE | Olympics | 2000 | 1–0–0 1995 Mar del Plata WRE gold: freestyle bantamweight -57 kg | |
| Tom Brands | WRE | Olympics | 1996 | 1–0–0 1995 Mar del Plata WRE gold: freestyle featherweight -62 kg | |
| Carlos Braniff | SAL | Olympics | 1960—1968 | 0–1–0 1963 São Paulo SAI silver: Star | |
| Nate Brannen | ATH | Olympics | 2008—2016 | 0–1–0 2015 Toronto ATH silver: 1500 m | |
| María Branz | SAL | Olympics | 2016—2020 | 1–0–1 2015 Toronto SAI gold: 49er FX; 2019 Lima SAI bronze: 49er FX | |
| Claudia Brassard-Riebesehl | BKB | Olympics | 2000 | 0–1–0 1999 Winnipeg BAS silver | |
| Shane Brathwaite | ATH | Olympics | 2012—2020 | 1–0–1 2015 Toronto ATH bronze: 110 m hurdles; 2019 Lima ATH gold: 110 m hurdles | |
| Neagu Bratu | SHO | Olympics | 1964—1968 | 0–0–1 1975 Ciudad de México SHO bronze: 10 m air pistol team (competed for Mexico) | |
| Jorge Brauer | SAL | Olympics | 1948—1952 | 0–1–0 1951 Buenos Aires SAI silver: Star | |
| Nick Bravin | FEN | Olympics | 1992—1996 | 0–2–2 1991 La Habana FEN silver: foil team, bronze: foil; 1995 Mar del Plata FEN silver: foil team, bronze: foil | |
| Carlos Bravo | FEN | Olympics | 1996—2008 | 0–2–1 1995 Mar del Plata FEN bronze: sabre; 2003 Santo Domingo FEN silver: sabre and sabre team | |
| Enrique Bravo | GAR | Olympics | 1980 | 1–1–2 1979 San Juan GYM gold: team, silver: pommelled horse, bronze: all-around and parallel bars | |
| Óscar Brayson | JUD | Olympics | 2008—2012 | 2–0–0 2007 Rio de Janeiro JUD gold: heavyweight +100 kg; 2011 Guadalajara JUD gold: heavyweight +100 kg | |
| Elaine Breeden | SWM | Olympics | 2008 | 1–0–1 2011 Guadalajara SWI gold: 4×100 m medley relay (swam in heats only), bronze: 100 m butterfly | |
| George Breen | SWM | Olympics | 1956—1960 | 1–1–0 1959 Chicago SWI gold: 400 m freestyle, silver: 1500 m freestyle | |
| Zulema Bregado | GAR | Olympics | 1968 | 0–1–2 1967 Winnipeg GYM bronze: balance beam and team; 1971 Cali GYM silver: team | |
| Eli Bremer | MPN | Olympics | 2008 | 1–0–0 2007 Rio de Janeiro MOP gold: individual | |
| Janice Bremner | SWA | Olympics | 1996 | 0–1–0 1995 Mar del Plata SYN silver: group | |
| Cindy Bremser | ATH | Olympics | 1984 | 0–1–0 1983 Caracas ATH silver: 1500 m | |
| José Andrés Brenes | MTB | Olympics | 1996 | 0–1–0 1995 Mar del Plata CYC silver: mountain biking | |
| Nery Brenes | ATH | Olympics / Opening Flagbearer | 2008—2016 | 1–0–0 2011 Guadalajara ATH gold: 400 m | |
| Roberto Breppe | CRD/CTR | Olympics | 1964—1972 | 0–0–1 1971 Cali CYC bronze: road time trial team | |
| Aurora Bretón | ARC | Olympics | 1972—1992 | 0–2–5 1983 Caracas ARC bronze: 60 m recurve and 70 m recurve; 1987 Indianapolis ARC silver: recurve team; 1991 La Habana ARC silver: recurve team, bronze: recurve individual, 30 m recurve, and 70 m recurve | |
| Marisol Bretón | ARC | Olympics | 1996 | 0–1–5 1995 Mar del Plata ARC bronze: recurve individual, 50 m recurve, 60 m recurve, and 70 m recurve; 1999 Winnipeg ARC bronze: recurve team; 2003 Santo Domingo ARC silver: recurve team | |
| Betty Brey | SWM | Olympics | 1956 | 2–2–0 1951 Buenos Aires SWI gold: 4×100 m freestyle relay, silver: 200 m freestyle (competed as Betty Mullen); 1955 Ciudad de México SWI gold: 4×100 m medley relay, silver: 100 m butterfly (competed as Betty Mullen) | |
| Brett Brian | WLF | Olympics | 1988—1992 | 0–3–2 1987 Indianapolis WLT first-heavyweight -100 kg bronze: clean & jerk and total; 1991 La Habana WLT middle-heavyweight -90 kg silver: clean & jerk, snatch, and total | |
| Humberto Briceño | SHO | Olympics | 1952 | 0–0–1 1955 Ciudad de México SHO bronze: free rifle 3 positions team | |
| Lorena Briceño | JUD | Olympics | 2008 | 0–0–2 1999 Winnipeg JUD bronze: middleweight -70 kg; 2007 Rio de Janeiro JUD bronze: half-heavyweight -78 kg | |
| Thomas Briceño | JUD | Olympics | 2016—2024 | 1–0–0 2019 Lima JUD gold: half-heavyweight -100 kg | |
| Erika Bricker | SWM | Olympics | 1964 | 1–0–0 1967 Winnipeg SWI gold: 100 m freestyle | |
| Alfredo Bridge | RHO | Non-Medal | 1992 | 1–0–0 1991 La Habana RHK gold | |
| Brad Bridgewater | SWM | Olympics | 1996 | 1–0–0 1995 Mar del Plata SWI gold: 200 m backstroke | |
| Mike Bright | VVO | Olympics | 1964—1968 | 0–1–0 1963 São Paulo VOL silver | |
| Patti Bright | VVO | Olympics | 1964—1968 | 0–1–0 1963 São Paulo VOL silver (competed as Patti Lucas) | |
| Luis Brignoni | BKB | Olympics | 1976 | 0–1–0 1975 Ciudad de México BAS silver | |
| Debbie Brill | ATH | Olympics | 1972—1984 | 1–0–1 1971 Cali ATH gold: high jump; 1979 San Juan ATH bronze: high jump | |
| Moira Brinnand | HOC | Olympics | 1988 | 1–0–0 1987 Indianapolis HOK gold | |
| David Brinton | CTR | Olympics | 1988 | 1–1–0 1987 Indianapolis CYC gold: 4000 m pursuit team, silver: 4000 m pursuit individual | |
| Valerie Brisco-Hooks | ATH | Olympics | 1984—1988 | 2–0–0 1979 San Juan ATH gold: 4×100 m relay (competed as Valerie Brisco); 1987 Indianapolis ATH gold: 4×400 m relay (competed as Valerie Brisco) | |
| Arnaldo Bristol | ATH | Olympics / Opening Flagbearer | 1964—1976 | 0–1–1 1971 Cali ATH silver: 110 m hurdles; 1975 Ciudad de México ATH bronze: 110 m hurdles | |
| Kenny Bristol | BOX | Non-starter | 1976 | 0–1–0 1975 Ciudad de México BOX silver: welterweight -67 kg | |
| Cláudio Brito | HBL | Olympics | 1992 | 0–2–0 1991 La Habana HAN silver; 1995 Mar del Plata HAN silver | |
| Jacinto Brito | CRD/CTR | Olympics | 1960 | 0–1–1 1959 Chicago CYC silver: road race team; 1963 São Paulo CYC bronze: 4000 m pursuit team | |
| Leidys Brito | ARC | Olympics | 2008—2016 | 0–0–1 2003 Santo Domingo ARC bronze: recurve team | |
| Roberto Brito | CRD | Olympics | 1968 | 0–1–0 1967 Winnipeg CYC silver: road time trial team | |
| Mariana Brochado | SWM | Olympics | 2004 | 0–1–1 2003 Santo Domingo SWI silver: 4×200 m freestyle relay, bronze: 200 m freestyle | |
| Mirtha Brock | ATH | Olympics | 1996—2000 | 0–0–2 1995 Mar del Plata ATH bronze: 4×100 m relay and 4×400 m relay | |
| Scott Brodie | ROW | Olympics | 1996 | 0–2–0 1995 Mar del Plata ROW silver: coxed fours and eights | |
| Kenny Brokenburr | ATH | Olympics | 2000 | 1–0–0 2003 Santo Domingo ATH gold: 200 m | |
| Enrique Brol | SHO | Olympics | 2016 | 0–0–1 2015 Toronto SHO bronze: double trap | |
| Hebert Brol | SHO | Olympics | 2016 | 1–0–0 2015 Toronto SHO gold: double trap | |
| Jean-Pierre Brol | SHO | Olympics | 2012—2024 | 1–0–0 2011 Guadalajara SHO gold: trap | |
| Brandon Brooks | WPO | Olympics | 2004—2008 | 1–0–0 2003 Santo Domingo WAP gold | |
| Freddy Brooks | VVO | Olympics | 1992—1996 | 1–0–1 1991 La Habana VOL gold; 1995 Mar del Plata VOL bronze | |
| Jacqueline Brooks | EDR | Olympics | 2008—2012 | 0–1–0 2003 Santo Domingo EQU silver: dressage team | |
| John Brooks | ATH | Olympics | 1936 | 0–1–0 1937 Dallas ATH silver: long jump | |
| Sheri-Ann Brooks | ATH | Olympics | 2008 | 1–1–0 2007 Rio de Janeiro ATH gold: 4×100 m relay, silver: 200 m | |
| Tony Brooks | ROW | Olympics | 1976 | 0–0–1 1975 Ciudad de México ROW bronze: coxed fours | |
| Dario Brose | FBL | Olympics | 1992 | 1–0–0 1991 La Habana FTB gold | |
| Juan Brotto | CTR | Olympics | 1960 | 0–1–0 1963 São Paulo CYC silver: 4000 m pursuit team | |
| Joel Brough | HOC | Olympics | 1992 | 0–1–0 1991 La Habana HOK silver | |
| Barry Brown | VVO | Olympics | 1964 | 0–1–0 1963 São Paulo VOL silver | |
| Buddy Brown | EJP | Olympics | 1976 | 2–1–0 1975 Ciudad de México EQU gold: jumping team, silver: jumping individual; 1979 San Juan EQU gold: jumping team | |
| Charlie Brown | BOX | Olympics | 1964 | 0–1–1 1959 Chicago BOX silver: featherweight -57 kg; 1963 São Paulo BOX bronze: featherweight -57 kg | |
| Chris Brown | ATH | Olympics / Opening Flagbearer | 2000—2016 | 2–0–0 2007 Rio de Janeiro ATH gold: 400 m and 4×400 m relay | |
| Cindy Brown | BKB | Olympics | 1988 | 1–0–0 1987 Indianapolis BAS gold | |
| Dale Brown | BOX | Olympics | 1992 | 0–0–1 1991 La Habana BOX bronze: light-heavyweight -81 kg | |
| Darrel Brown | ATH | Olympics | 2004—2008 | 0–1–0 2003 Santo Domingo ATH silver: 4×100 m relay | |
| Doris Brown | ATH | Olympics / Non-starter | 1968—1972 | 0–2–0 1967 Winnipeg ATH silver: 800 m; 1971 Cali ATH silver: 800 m | |
| Earl Brown | BKB | Olympics | 1972—1976 | 0–1–0 1975 Ciudad de México BAS silver | |
| Earlene Brown | ATH | Olympics | 1956—1964 | 2–0–0 1959 Chicago ATH gold: shot put and discus throw |