Known as British Empire Games (1930-1950), British Empire and Commonwealth Games (1954-1966), British Commonwealth Games (1970-1974), and Commonwealth Games (1978-present). An Inter-Empire Championship was held as a part of the Festival of Empire and can be counted as forerunner.
Host cities:
| Athlete | Nation(s) | Sport(s) | Role(s) | Era | Notes |
|---|---|---|---|---|---|
| Mick Bennett |  GBR |
CTR | Olympics | 1972—1976 | 1–0–0 1974 Christchurch CYC gold: 4000 m team pursuit (competed for England) |
| Peter Bennett |  AUS |
WPO | Olympics | 1952—1956 | 0–0–0 1950 Auckland WAP gold (exhibition tournament) |
| Peter Bennett | AUS |
WPO | Olympics | 1952—1956 | 0–0–0 1950 Auckland WAP gold (exhibition tournament) |
| Sandy Bennett |  NZL |
HOC | Olympics | 2000 | 0–0–1 1998 Kuala Lumpur HOK bronze |
| Sandy Bennett | NZL |
HOC | Olympics | 2000 | 0–0–1 1998 Kuala Lumpur HOK bronze |
| Todd Bennett | GBR |
ATH | Olympics | 1984—1988 | 2–1–0 1982 Brisbane ATH gold: 4×400 m relay (competed for England); 1986 Edinburgh ATH gold: 4×400 m relay, silver: 200 m (competed for England) |
| Chris Benning | GBR |
ATH | Olympics | 1984 | 0–1–0 1978 Edmonton ATH silver: 1500 m (competed for England) |
| Jake Bensted | AUS |
JUD | Olympics | 2016 | 0–0–1 2014 Glasgow JUD bronze: lightweight -73 kg |
| Paul Bentley | GBR |
SHO | Olympics | 1984 | 0–1–0 1978 Edmonton SHO silver: skeet (competed for England) |
| Jack Beresford | GBR |
ROW | Olympics / Opening Flagbearer | 1920—1936 | 0–1–0 1930 Hamilton ROW silver: single sculls (competed for England) |
| Mike Beresford | GBR |
ROW | Olympics | 1960 | 1–0–0 1958 Cardiff ROW gold: coxed fours (competed for England) |
| Glenn Beringen | AUS |
SWM | Olympics | 1984 | 0–1–0 1982 Brisbane SWI gold: silver: 200 m breaststroke |
| Mary Berkeley | GBR |
ATH | Olympics | 1988 | 0–1–0 1986 Edinburgh ATH silver: long jump (competed for England) |
| Verona Bernard-Elder | GBR |
ATH | Olympics / Non-starter | 1972—1980 | 2–2–0 1974 Christchurch ATH gold: 4×400 m relay, silver: 400 m (competed for England); 1978 Edmonton ATH gold: 4×400 m relay, silver: 400 m (competed for England) |
| Claston Bernard |  JAM |
ATH | Olympics | 2000—2004 | 1–0–0 2002 Manchester ATH gold: decathlon |
| Kent Bernard |  TTO |
ATH | Olympics | 1964 | 1–2–0 1966 Kingston ATH gold: 4×440 yards relay, silver: 440 yards; 1970 Edinburgh ATH silver: 4×400 m relay |
| Martyn Bernard | GBR |
ATH | Olympics | 2008 | 0–1–0 2006 Melbourne ATH silver: high jump (competed for England) |
| Sylvie Bernier |  CAN |
DIV | Olympics | 1984 | 0–1–0 1982 Brisbane DIV silver: 3 m springboard |
| Tim Berrett | CAN |
ATH | Olympics | 1992—2008 | 0–1–1 1994 Victoria ATH silver: 30 km walk; 2002 Manchester ATH bronze: 50 km walk |
| Kevin Berry | AUS |
SWM | Olympics | 1960—1964 | 3–0–0 1962 Perth SWI gold: 110 yards butterfly, 220 yards butterfly, and 4×110 yards medley |
| Gordon Bertie | CAN |
WRE | Olympics | 1972—1976 | 0–1–0 1974 Christchurch WRE silver: freestyle flyweight -52 kg |
| Stephanie Berto | CAN |
ATH | Olympics | 1968 | 0–0–1 1970 Edinburgh ATH bronze: 4×100 m relay |
| Jack Besford | GBR |
SWM | Olympics | 1928—1936 | 0–1–2 1930 Hamilton SWI bronze: 100 yards backstroke (competed for England); 1934 London SWI silver: 100 yards backstroke, bronze: 3×110 yards medley (competed for England) |
| Lyne Bessette | CAN |
CRD | Olympics | 2000—2004 | 1–0–1 1998 Kuala Lumpur CYC gold: road race; 2002 Manchester CYC bronze: individual time trial |
| Allison Beveridge | CAN |
CTR | Olympics | 2016—2020 | 0–0–1 2018 Gold Coast CYC bronze: 4000 m team pursuit |
| Allison Beveridge | CAN |
CTR | Olympics | 2016—2020 | 0–0–1 2018 Gold Coast CYC bronze: 4000 m team pursuit |
| Tully Bevilaqua | AUS |
BKB | Olympics | 2008 | 1–0–0 2006 Melbourne BAS gold |
| Tully Bevilaqua | AUS |
BKB | Olympics | 2008 | 1–0–0 2006 Melbourne BAS gold |
| Janet Bewley-Cathie-Wardell-Yerburgh | GBR |
FEN | Olympics | 1964—1972 | 4–0–0 1966 Kingston FEN gold: foil and team foil (competed as Janet Wardell-Yerburgh for England); 1970 Edinburgh FEN gold: foil and team foil (competed as Janet Wardell-Yerburgh for England) |
| Sam Bewley | NZL |
CTR/MTB | Olympics | 2008—2012 | 0–1–0 2010 Delhi CYC silver: 4000 m team pursuit |
| Jai Bhagwan |  IND |
BOX | Olympics | 2012 | 0–0–1 2010 Delhi BOX bronze: lightweight -60 kg |
| Bashir Bhola Bhala |  PAK |
WRE | Olympics | 1996 | 0–0–2 1994 Victoria WRE bronze: freestyle middleweight -82 kg; 2002 Manchester WRE bronze: freestyle heavyweight -96 kg |
| Arjan Bhullar | CAN |
WRE | Olympics | 2012 | 1–0–0 2010 Delhi WRE gold: freestyle super-heavyweight -120 kg |
| Mahesh Bhupathi | IND |
TEN | Olympics | 1996—2012 | 0–0–1 2010 Delhi TEN bronze: doubles |
| Mahesh Bhupathi | IND |
TEN | Olympics | 1996—2012 | 0–0–1 2010 Delhi TEN bronze: doubles |
| Scott Bianco | CAN |
WRE | Olympics | 1996 | 1–0–0 1994 Victoria WRE gold: freestyle light-heavyweight -90 kg |
| Dan Bibby | GBR |
RU7 | Olympics | 2016—2020 | 0–0–1 2018 Gold Coast RGS bronze (competed for England) |
| Dan Bibby | GBR |
RU7 | Olympics | 2016—2020 | 0–0–1 2018 Gold Coast RGS bronze (competed for England) |
| Bruce Biddle | NZL |
CRD | Olympics | 1972 | 1–0–0 1970 Edinburgh CYC gold: road race |
| Jackson Bidei |  NGR |
WRE | Olympics | 1988 | 0–1–0 1994 Victoria WRE silver: freestyle super-heavyweight +100 kg |
| Mary Bignal-Rand | GBR |
ATH | Olympics | 1960—1964 | 1–1–0 1958 Cardiff ATH silver: long jump; 1966 Kingston ATH gold: long jump (competed for England) |
| Sapok Biki |  MAS |
BOX | Olympics | 1996 | 1–0–0 1998 Kuala Lumpur BOX gold: light-flyweight -48 kg |
| Suzaan van Biljon |  RSA |
SWM | Olympics | 2008—2012 | 0–0–1 2006 Melbourne SWI bronze: 200 m breaststroke |
| Sohen Biln | CAN |
ROW | Olympics | 1960 | 1–1–0 1958 Cardiff ROW gold: eights, silver: coxed fours |
| Ray Bilney | AUS |
CRD | Olympics | 1964 | 0–1–0 1970 Edinburgh CYC silver: road race |
| Jennie Bimson | GBR |
HOC | Olympics | 2008 | 0–2–1 1998 Kuala Lumpur HOK silver (competed for England); 2002 Manchester HOK silver (competed for England); 2006 Melbourne HOK bronze (competed for England) |
| Mohammad Hafifi bin Mansor | MAS |
WLF | Olympics | 2016 | 1–0–1 2010 Delhi WLT bronze: lightweight -69 kg; 2014 Glasgow WLT gold: lightweight -69 kg |
| Lloyd Binch | GBR |
CTR | Olympics | 1960 | 0–0–1 1958 Cardiff CYC bronze: 1000 m match sprint (competed for England) |
| Abhinav Bindra | IND |
SHO | Olympics / Opening Flagbearer | 2000—2016 | 5–3–1 2002 Manchester SHO gold: 10 m air rifle/pairs, silver: 10 m air rifle; 2006 Melbourne SHO gold: 10 m air rifle/pairs and 50 m small-bore rifle 3 positions/pairs, silver: 50 m small-bore rifle 3 positions, bronze: 10 m air rifle; 2010 Delhi SHO gold: 10 m air rifle/pairs, silver: 10 m air rifle; 2014 Glasgow SHO gold: 10 m air rifle |
| Gary Binfield | GBR |
SWM | Olympics | 1988 | 0–1–0 1990 Auckland SWI silver: 4×100 m medley (competed for England) |
| Michael Bingham | GBR |
ATH | Olympics | 2008 | 1–0–0 2014 Glasgow ATH gold: 4×400 m relay (competed for England) |
| Hennie Binneman | RSA |
CRD | Olympics | 1936 | 1–0–0 1938 Sydney CYC gold: road race |
| Max Binnington | AUS |
ATH | Olympics | 1976 | 0–1–1 1974 Christchurch ATH bronze: 110 m hurdles; 1978 Edmonton ATH silver: 110 m hurdles |
| Steve Binns | GBR |
ATH | Olympics | 1988 | 0–1–0 1986 Edinburgh ATH silver: 10000 m (competed for England) |
| Harishchandra Birajdar | IND |
WRE | Olympics | 1972 | 1–0–0 1970 Edinburgh WRE gold: middleweight -82 kg |
| Pauline Bird-Hart | GBR |
ROW | Olympics | 1976—1980 | 0–2–0 1986 Edinburgh ROW silver: coxless pairs and eights (competed for England) |
| Dane Bird-Smith | AUS |
ATH | Olympics | 2016 | 1–0–0 2018 Gold Coast ATH gold: 20 km walk |
| Dane Bird-Smith | AUS |
ATH | Olympics | 2016 | 1–0–0 2018 Gold Coast ATH gold: 20 km walk |
| Andrew Bird | NZL |
ROW | Olympics | 1988 | 0–1–0 1986 Edinburgh ROW silver: coxed fours |
| Nick Birkmyre | GBR |
ROW | Olympics | 1960 | 1–0–0 1962 Perth ROW gold: double sculls (competed for England) |
| Kiara Bisaro | CAN |
MTB | Olympics | 2004 | 0–0–1 2006 Melbourne CYC bronze: mountainbike cross-country |
| Madhumita Bisht | IND |
BDM | Olympics | 1992 | 0–0–1 1998 Kuala Lumpur BDM bronze: team women |
| Stan Bissell | GBR |
WRE | Olympics | 1948 | 0–2–0 1930 Hamilton WRE silver: freestyle middleweight -79 kg (competed for England); 1934 London WRE silver: freestyle middleweight -79 kg (competed for England) |
| Mike Bitten | CAN |
BDM | Olympics | 1992 | 0–2–1 1986 Edinburgh BDM silver: team mixed; 1990 Auckland BDM silver: team mixed, bronze: doubles |
| Amos Biwott |  KEN |
ATH | Olympics | 1968—1972 | 0–0–1 1970 Edinburgh ATH bronze: 3000 m steeplechase |
| Gideon Biwott | KEN |
ATH | Olympics | 1996 | 0–1–0 1994 Victoria ATH silver: 400 m hurdles |
| Chris Black | GBR |
ATH | Olympics | 1976—1980 | 0–0–2 1978 Edmonton ATH bronze: hammer throw (competed for Scotland); 1982 Brisbane ATH bronze: hammer throw (competed for Scotland) |
| Dave Black | GBR |
ATH | Olympics | 1976—1980 | 0–1–1 1974 Christchurch ATH silver: 10000 m, bronze: 5000 m (competed for England) |
| Ellie Black | CAN |
GAR | Olympics | 2012—2024 | 3–2–1 2014 Glasgow GYM gold: balance beam, silver: vault, bronze: floor; 2018 Gold Coast GYM gold: all-around and team, silver: vault |
| Ian Black | GBR |
SWM | Olympics | 1960 | 1–2–0 1958 Cardiff SWI gold: 220 yards butterfly, silver: 440 yards freestyle and 4×220 yards freestyle (competed for Scotland) |
| Roger Black | GBR |
ATH | Olympics / Closing Flagbearer | 1992—1996 | 2–0–0 1986 Edinburgh ATH gold: 400 m and 4×400 m relay (competed for England) |
| Peter Blackburn | AUS |
BDM | Olympics | 1996—2000 | 0–0–4 1994 Victoria BDM bronze: doubles, mixed doubles, and team mixed; 1998 Kuala Lumpur BDM bronze: mixed doubles |
| Andrea Blackett |  BAR |
ATH | Olympics / Opening Flagbearer | 2000—2004 | 1–0–0 1998 Kuala Lumpur ATH gold: 400 m hurdles |
| Sylvanus Blackman | GBR |
WLF | Olympics | 1960—1968 | 0–2–0 1958 Cardiff WLT silver: light-heavyweight -82.5 kg (competed for Barbados); 1966 Kingston WLT silver: light-heavyweight -82.5 kg (competed for England) |
| Ron Blackney | AUS |
ATH | Olympics | 1956 | 0–0–1 1962 Perth ATH bronze: 3000 m steeplechase |
| Michael Blackwood | JAM |
ATH | Olympics | 2000—2008 | 1–0–0 2002 Manchester ATH gold: 400 m |
| Alicia Blagg | GBR |
DIV | Olympics | 2012—2016 | 1–1–0 2014 Glasgow DIV gold: synchronized springboard (competed for England); 2018 Gold Coast DIV silver: synchronized springboard (competed for England) |
| Robert Blair | GBR |
BDM | Olympics | 2004 | 1–1–2 2002 Manchester BDM gold: team mixed (competed for England); 2006 Melbourne BDM silver: team mixed, bronze: doubles (competed for England); 2014 Glasgow BDM bronze: mixed doubles (competed for Scotland) |
| Dennis Blake | JAM |
ATH | Olympics | 1992—1996 | 0–1–0 1994 Victoria ATH silver: 4×400 m relay |
| Yohan Blake | JAM |
ATH | Olympics | 2012—2020 | 0–0–2 2018 Gold Coast ATH bronze: 100 m and 4×100 m relay |
| Yohan Blake | JAM |
ATH | Olympics | 2012—2020 | 0–0–2 2018 Gold Coast ATH bronze: 100 m and 4×100 m relay |
| Don Bland | GBR |
SWM | Olympics | 1948 | 0–0–1 1950 Auckland SWI bronze: 4×220 yards freestyle (competed for England) |
| Bryan Blanshard | CAN |
BDM | Olympics | 1992 | 0–1–1 1990 Auckland BDM silver: team mixed, bronze: doubles |
| Eddie Blay |  GHA |
BOX | Olympics | 1960—1964 | 2–0–0 1962 Perth BOX gold: lightweight -60 kg; 1966 Kingston BOX gold: welterweight -67 kg |
| Keston Bledman | TTO |
ATH | Olympics | 2008—2016 | 0–0–1 2014 Glasgow ATH bronze: 4×100 m relay |
| Mark Blenkarne | GBR |
ARC | Olympics | 1980 | 1–0–0 1982 Brisbane ARC gold: individual (competed for England) |
| Blair Blenman | GBR |
WLF | Olympics | 1960 | 1–0–0 1958 Cardiff WLT gold: middleweight -75 kg (competed for Barbados) |
| Issy Bloomberg | RSA |
WLF | Olympics | 1948—1952 | 0–1–0 1950 Auckland WLT silver: light heavyweight -82.5 kg |
| Tony Blue | AUS |
ATH | Olympics | 1960—1964 | 0–0–1 1962 Perth ATH bronze: 880 yards |
| Madonna Blyth | AUS |
HOC | Olympics | 2008—2016 | 3–0–0 2006 Melbourne HOK gold; 2010 Delhi HOK gold; 2014 Glasgow HOK gold |
| Madonna Blyth | AUS |
HOC | Olympics | 2008—2016 | 3–0–0 2006 Melbourne HOK gold; 2010 Delhi HOK gold; 2014 Glasgow HOK gold |
| Gil Boa | CAN |
SHO | Olympics / Opening Flagbearer | 1952—1972 | 1–0–0 1966 Kingston SHO gold: 50 m small-bore rifle prone |
| Don Boal | CAN |
ROW | Olympics / Non-starter | 1932—1936 | 0–0–1 1930 Hamilton ROW bronze: eights |
| Chris Boardman | GBR |
CRD/CTR | Olympics | 1988—2000 | 0–0–3 1986 Edinburgh CYC bronze: 4000 m team pursuit (competed for England); 1990 Auckland CYC bronze: team time trial and 4000 m team pursuit (competed for England) |
| Humphrey Boardman | GBR |
ROW | Olympics | 1928 | 2–0–0 1930 Hamilton ROW gold: coxless fours and eights (competed for England) |
| Kwaku Boateng | CAN |
ATH | Olympics | 2000 | 0–1–0 2002 Manchester ATH silver: high jump |
| Anju Bobby George | IND |
ATH | Olympics / Opening Flagbearer / Closing Flagbearer | 2004—2008 | 0–0–1 2002 Manchester ATH bronze: long jump |
| Lorne Bobkin | CAN |
GAR | Olympics | 1988 | 1–0–0 1990 Auckland GYM gold: team |
| Jack Bobridge | AUS |
CTR | Olympics | 2008—2016 | 4–0–0 2010 Delhi CYC gold: 4000 m individual pursuit and 4000 m team pursuit; 2014 Glasgow CYC gold: 4000 m individual pursuit and 4000 m team pursuit |
| Peter Boden | GBR |
SHO | Olympics | 1976—2000 | 2–2–0 1982 Brisbane SHO gold: trap, silver: trap/pairs (competed for England); 1986 Edinburgh SHO gold: trap/pairs, silver: trap (competed for England) |
| Nicole Boegman-Staines | AUS |
ATH | Olympics | 1988—1996 | 1–0–1 1994 Victoria ATH gold: long jump; 1998 Kuala Lumpur ATH bronze: long jump (competed as Nicole Boegman) |
| Kurt Boese | CAN |
WRE | Olympics | 1960 | 0–0–1 1962 Perth WRE bronze: freestyle lightweight -70 kg |
| Glenn Bogue | CAN |
ATH | Olympics | 1976 | 0–0–1 1978 Edmonton ATH bronze: 400 m |
| Georgia Bohl | AUS |
SWM | Olympics | 2016 | 1–0–1 2018 Gold Coast SWI gold: 4×100 m medley, bronze: 100 m breaststroke |
| Georgia Bohl | AUS |
SWM | Olympics | 2016 | 1–0–1 2018 Gold Coast SWI gold: 4×100 m medley, bronze: 100 m breaststroke |
| Myriam Boileau | CAN |
DIV | Olympics | 2004 | 0–1–2 1994 Victoria DIV bronze: platform; 1998 Kuala Lumpur DIV silver: platform, bronze: 3 m springboard |
| Mike Boit | KEN |
ATH | Olympics | 1972 | 1–1–1 1974 Christchurch ATH silver: 800 m; 1978 Edmonton ATH gold: 800 m; 1982 Brisbane ATH bronze: 1500 m |
| Hélène Boivin | CAN |
SWM | Olympics | 1976 | 1–1–0 1978 Edmonton SWI gold: 4×100 m medley, silver: 100 m backstroke |
| Ato Boldon | TTO |
ATH | Olympics / Opening Flagbearer | 1992—2004 | 1–0–0 1998 Kuala Lumpur ATH gold: 100 m |
| Pat Bolger | CAN |
WRE | Olympics | 1968—1972 | 0–1–0 1970 Edinburgh WRE silver: featherweight -62 kg |
| Usain Bolt | JAM |
ATH | Olympics / Opening Flagbearer | 2004—2016 | 1–0–0 2014 Glasgow ATH gold: 4×100 m relay |
| Sinivie Boltic | NGR |
WRE | Olympics / Opening Flagbearer / Closing Flagbearer | 2012 | 1–0–2 2002 Manchester WRE bronze: freestyle light-heavyweight -84 kg; 2010 Delhi WRE gold: freestyle heavyweight -96 kg; 2014 Glasgow WRE bronze: freestyle super-heavyweight -125 kg |
| John Bolton | NZL |
WLF | Olympics | 1968—1972 | 0–2–0 1970 Edinburgh WLT silver: light-heavyweight -82.5 kg; 1974 Christchurch WLT silver: heavyweight +82.5 kg |
| Nestor Bolum | NGR |
BOX | Olympics | 2004 | 0–0–1 2006 Melbourne BOX bronze: bantamweight -54 kg |
| Sarah Bombell | AUS |
SWA | Olympics | 2008—2012 | 0–0–1 2010 Delhi SYN bronze: duet |
| Catherine Bond-Mills | CAN |
ATH | Olympics | 1992—1996 | 0–0–1 1994 Victoria ATH bronze: heptathlon |
| Hamish Bond | NZL |
ROW | Olympics / Opening Flagbearer | 2008—2020 | 0–0–1 2018 Gold Coast CYC bronze: individual time trial |
| Hamish Bond | NZL |
ROW | Olympics / Opening Flagbearer | 2008—2020 | 0–0–1 2018 Gold Coast CYC bronze: individual time trial |
| Edwina Bone | AUS |
HOC | Olympics | 2016—2020 | 1–1–0 2014 Glasgow HOK gold; 2018 Gold Coast HOK silver |
| Edwina Bone | AUS |
HOC | Olympics | 2016—2020 | 1–1–0 2014 Glasgow HOK gold; 2018 Gold Coast HOK silver |
| Alison Bonner | GBR |
ROW | Olympics | 1988 | 0–1–0 1986 Edinburgh ROW silver: eights (competed for England) |
| Georgia Bonora | AUS |
GAR | Olympics | 2008—2012 | 1–1–1 2010 Delhi GYM gold: team, silver: uneven bars, bronze: all-around |
| Ed Book | NZL |
BKB | Olympics | 2004 | 0–1–0 2006 Melbourne BAS silver |
| Ed Book | NZL |
BKB | Olympics | 2004 | 0–1–0 2006 Melbourne BAS silver |
| Pat Boot | NZL |
ATH | Olympics | 1936 | 1–0–1 1938 Sydney ATH gold: 880 yards, bronze: 1 mile |
| Lorna Boothe | GBR |
ATH | Olympics | 1976—1980 | 1–1–0 1978 Edmonton ATH gold: 100 m hurdles (competed for England); 1982 Brisbane ATH silver: 100 m hurdles (competed for England) |
| Cleopatra Borel-Brown | TTO |
ATH | Olympics / Closing Flagbearer | 2004—2016 | 0–2–1 2006 Melbourne ATH bronze: shot put; 2010 Delhi ATH silver: shot put; 2014 Glasgow ATH silver: shot put (competed as Cleopatra Borel) |
| Andy Borodow | CAN |
WRE | Olympics | 1992—1996 | 1–0–0 1994 Victoria WRE gold: freestyle super-heavyweight +100 kg |
| Teresa Borrell | NZL |
SHO | Olympics | 2000 | 1–0–1 2002 Manchester SHO gold: double trap/pairs; 2006 Melbourne SHO bronze: trap/pairs |
| Lisa Borsholt | CAN |
SWM | Olympics | 1976—1984 | 1–0–0 1978 Edmonton SWI gold: 200 m breaststroke |
| Dylan Bosch | RSA |
SWM | Olympics / YOG | 2010—2016 | 0–0–2 2014 Glasgow SWI bronze: 4×200 m freestyle and 4×100 m medley (swam in heats only) |
| Darien Boswell | NZL |
ROW | Olympics | 1964 | 0–1–0 1962 Perth ROW silver: eights |
| Mark Boswell | CAN |
ATH | Olympics | 2000—2004 | 2–0–0 2002 Manchester ATH gold: high jump; 2006 Melbourne ATH gold: high jump |
| Tom Bosworth | GBR |
ATH | Olympics | 2016—2020 | 0–1–0 2018 Gold Coast ATH silver: 20 km walk (competed for England) |
| Tom Bosworth | GBR |
ATH | Olympics | 2016—2020 | 0–1–0 2018 Gold Coast ATH silver: 20 km walk (competed for England) |
| Johan Botha | RSA |
ATH | Olympics | 1996—2000 | 0–0–1 1998 Kuala Lumpur ATH bronze: 800 m |
| Riaan Botha | RSA |
ATH | Olympics | 1996 | 1–0–0 1998 Kuala Lumpur ATH gold: pole vault |
| Willie Botha | RSA |
ATH | Olympics | 1936 | 0–1–0 1934 London ATH silver: 880 yards |
| Jean Botham | GBR |
SWM | Olympics | 1952 | 0–0–1 1954 Vancouver SWI bronze: 4×110 yards freestyle (competed for England) |
| Christine Botlogetswe |  BOT |
ATH | Olympics | 2016—2020 | 0–0–1 2018 Gold Coast ATH bronze: 4×400 m relay |
| Christine Botlogetswe | BOT |
ATH | Olympics | 2016—2020 | 0–0–1 2018 Gold Coast ATH bronze: 4×400 m relay |
| Dillon Boucher | NZL |
BKB | Olympics | 2004 | 0–1–0 2006 Melbourne BAS silver |
| Dillon Boucher | NZL |
BKB | Olympics | 2004 | 0–1–0 2006 Melbourne BAS silver |
| Marie-Pierre Boudreau-Gagnon | CAN |
SWA | Olympics | 2008—2012 | 4–0–0 2006 Melbourne SYN gold: solo and duet; 2010 Delhi SYN gold: solo and duet |
| Munroe Bourne | CAN |
SWM | Olympics | 1928—1936 | 2–0–0 1930 Hamilton SWI gold: 100 yards freestyle and 4×200 yards freestyle |
| Kirsty Bowden | GBR |
HOC | Olympics | 2000 | 0–1–0 1998 Kuala Lumpur HOK silver (competed for England) |
| Dianne Bowering-Burge | AUS |
ATH | Olympics | 1964—1968 | 3–0–0 1966 Kingston ATH gold: 100 yards, 220 yards, and 4×110 yards relay (competed as Dianne Burge) |
| Sharon Bowes | CAN |
SHO | Olympics | 1984—2000 | 5–4–3 1986 Edinburgh SHO gold: 10 m air rifle/pairs, silver: 10 m air rifle; 1994 Victoria SHO gold: 50 m small-bore rifle 3 positions and 50 m small-bore rifle 3 positions/pairs, bronze: 10 m air rifle and 10 m air rifle/pairs; 1998 Kuala Lumpur SHO gold: 10 m air rifle/pairs and 50 m small-bore rifle 3 positions/pairs, silver: 10 m air rifle and 50 m small-bore rifle 3 positions; 2002 Manchester SHO silver: 10 m air rifle/pairs bronze: 50 m small-bore rifle 3 positions/pairs |
| Christopher Bowie | CAN |
SWM | Olympics | 1992 | 0–0–1 1990 Auckland SWI bronze: 400 m freestyle |
| Paul Bowler | GBR |
GAR | Olympics | 1992 | 0–0–1 1994 Victoria GYM bronze: team (competed for England) |
| Shaun Bownes | RSA |
ATH | Olympics | 2000—2004 | 1–0–1 1998 Kuala Lumpur ATH bronze: 110 m hurdles; 2002 Manchester ATH gold: 110 m hurdles |
| Keith Boxell | GBR |
WLF | Olympics | 1984—1992 | 1–3–0 1986 Edinburgh WLT gold: middle-heavyweight -90 kg (competed for England); 1990 Auckland WLT middle-heavyweight -90 kg silver: clean & jerk, snatch, and total (competed for England) |
| Christina Boxer-Cahill | GBR |
ATH | Olympics | 1980—1988 | 1–1–0 1982 Brisbane ATH gold: 1500 m (competed as Christina Boxer for England); 1990 Auckland ATH silver: 1500 m (competed as Christina Cahill for England) |
| Fiona Boyce | AUS |
HOC | Olympics | 2012 | 1–0–0 2010 Delhi HOK gold |
| Fiona Boyce | AUS |
HOC | Olympics | 2012 | 1–0–0 2010 Delhi HOK gold |
| Alana Boyd | AUS |
ATH | Olympics | 2008—2016 | 2–0–0 2010 Delhi ATH gold: pole vault; 2014 Glasgow ATH gold: pole vault |
| Ian Boyd | GBR |
ATH | Olympics | 1956 | 0–0–1 1954 Vancouver ATH bronze: 880 yards (competed for England) |
| Kevin Boyd | GBR |
SWM | Olympics | 1988 | 0–1–1 1986 Edinburgh SWI silver: 400 m freestyle, bronze: 4×200 m freestyle (competed for England) |
| Ray Boyd | AUS |
ATH | Olympics | 1972—1976 | 1–0–0 1982 Brisbane ATH gold: pole vault |
| Janet Boyle | GBR |
ATH | Olympics | 1988 | 0–1–1 1986 Edinburgh ATH bronze: high jump (competed for Northern Ireland); 1990 Auckland ATH silver: high jump (competed for Northern Ireland) |
| Lauren Boyle | NZL |
SWM | Olympics | 2008—2016 | 1–2–1 2006 Melbourne SWI bronze: 4×200 m freestyle; 2010 Delhi SWI silver: 4×200 m freestyle; 2014 Glasgow SWI gold: 400 m freestyle, silver: 800 m freestyle |
| Raelene Boyle | AUS |
ATH | Olympics / Torch Bearer / Opening Flagbearer | 1968—2000 | 7–2–0 1970 Edinburgh ATH gold: 100 m, 200 m, and 4×100 m relay; 1974 Christchurch ATH gold: 100 m, 200 m, and 4×100 m relay; 1978 Edmonton ATH silver: 100 m; 1982 Brisbane ATH gold: 400 m and 4×400 m relay |
| Ron Boyle | AUS |
CTR | Olympics | 1976 | 0–0–1 1978 Edmonton CYC bronze: tandem |
| Beverly Boys | CAN |
DIV | Olympics / Referee | 1968—2008 | 3–3–1 1966 Kingston DIV silver: 3 m springboard, bronze: platform; 1970 Edinburgh DIV gold: 3 m springboard and platform; 1974 Christchurch DIV gold: platform, silver: 3 m springboard; 1978 Edmonton DIV silver: 3 m springboard |
| Julie Bradbury | GBR |
BDM | Olympics | 1992—1996 | 1–2–0 1994 Victoria BDM gold: team mixed, silver: doubles and mixed doubles (competed for England) |
| Colin Bradford | JAM |
ATH | Olympics | 1976—1980 | 0–1–2 1978 Edmonton ATH silver: 4×400 m relay, bronze: 200 m and 4×100 m relay |
| Sue Bradley-Kameli | CAN |
ATH | Olympics | 1976—1984 | 0–0–1 1982 Brisbane ATH bronze: 100 m hurdles (competed as Sue Kameli) |
| Robyn Bradshaw | AUS |
DIV | Olympics | 1964—1968 | 0–1–0 1966 Kingston DIV silver: platform (competed for England) |
| Rob Braknis | CAN |
SWM | Olympics | 1996 | 0–1–0 1994 Victoria SWI silver: 4×100 m medley |
| Lisa Brambani | GBR |
CRD | Olympics | 1988 | 0–1–0 1990 Auckland CYC silver: road race (competed for England) |
| Peter Brander | GBR |
BOX | Olympics / Non-starter | 1948—1952 | 0–0–1 1950 Auckland BOX bronze: featherweight -58 kg (competed for England) |
| Nate Brannen | CAN |
ATH | Olympics | 2008—2016 | 0–1–0 2006 Melbourne ATH silver: 1500 m |
| Chris Brathwaite | TTO |
ATH | Olympics | 1976—1980 | 0–1–0 1978 Edmonton ATH silver: 4×100 m relay |
| Shane Brathwaite | BAR |
ATH | Olympics | 2012—2020 | 0–0–1 2014 Glasgow ATH bronze: 110 m hurdles |
| Sophie Bray | GBR |
HOC | Olympics | 2016 | 0–1–1 2014 Glasgow HOK silver (competed for England); 2018 Gold Coast HOK bronze (competed for England) |
| Sophie Bray | GBR |
HOC | Olympics | 2016 | 0–1–1 2014 Glasgow HOK silver (competed for England); 2018 Gold Coast HOK bronze (competed for England) |
| Trent Bray | NZL |
SWM | Olympics | 1992—1996 | 0–3–1 1994 Victoria SWI silver: 200 m freestyle, 4×100 m freestyle, and 4×200 m freestyle; 1998 Kuala Lumpur SWI bronze: 4×200 m freestyle |
| Frank Brazier | AUS |
CRD/CTR | Olympics | 1956—1960 | 0–1–0 1958 Cardiff CYC silver: road race |
| Kelly Brazier | NZL |
RU7 | Olympics | 2016—2020 | 1–0–0 2018 Gold Coast RGS gold |
| Kelly Brazier | NZL |
RU7 | Olympics | 2016—2020 | 1–0–0 2018 Gold Coast RGS gold |
| Mike Breckin | GBR |
FEN | Olympics | 1968—1972 | 2–0–0 1970 Edinburgh FEN gold: foil and team foil (competed for England) |
| Michaela Breeze | GBR |
WLF | Olympics | 2004—2008 | 2–3–1 2002 Manchester WLT lightweight -58 kg gold: snatch, silver: clean & jerk and total (competed for Wales); 2006 Melbourne WLT gold: middleweight -63 kg; 2010 Delhi WLT silver: middleweight -63 kg; 2014 Glasgow WLT bronze: lightweight -58 kg |
| Ashleigh Brennan | AUS |
GAR | Olympics | 2008—2012 | 2–1–1 2006 Melbourne GYM gold: team, silver: floor; 2010 Delhi GYM gold: team, bronze: floor |
| Michael Brennan | AUS |
HOC | Olympics | 2000—2004 | 1–0–0 1998 Kuala Lumpur HOK gold |
| Adrian Breton | GBR |
SHO | Olympics | 1988—1992 | 1–1–1 1986 Edinburgh SHO silver: 25 m rapid fire pistol (competed for Guernsey); 1990 Auckland SHO gold: 25 m rapid fire pistol (competed for Guernsey); 1994 Victoria SHO bronze: 25 m rapid fire pistol/pairs (competed for Guernsey) |
| Rosalind Brett | GBR |
SWM | Olympics | 2000 | 0–2–0 2002 Manchester SWI silver: 4×100 m freestyle (competed for England); 2006 Melbourne SWI silver: 4×100 m freestyle (competed for England) |
| Robin Brew | GBR |
SWM | Olympics | 1984 | 0–1–0 1982 Brisbane SWI silver: 200 m medley (competed for Scotland) |
| Graeme Brewer | AUS |
SWM | Olympics | 1980—1984 | 3–2–1 1978 Edmonton SWI gold: 4×200 m freestyle, silver: 200 m freestyle and 4×100 m freestyle, bronze: 4×100 m medley; 1982 Brisbane SWI gold: 4×100 m freestyle and 4×200 m freestyle |
| Richard Brickell | GBR |
SHO | Olympics | 2004—2012 | 1–1–2 2002 Manchester SHO bronze: skeet/pairs (competed for England); 2006 Melbourne SHO silver: skeet/pairs (competed for England); 2010 Delhi SHO gold: skeet, bronze: skeet/pairs (competed for England) |
| Karen Briggs | GBR |
JUD | Olympics | 1992 | 1–0–0 1990 Auckland JUD gold: extra-lightweight -48 kg (competed for England) |
| Robbie Brightwell | GBR |
ATH | Olympics | 1960—1964 | 0–2–0 1962 Perth ATH silver: 440 yards and 4×440 yards relay (competed for England) |
| Wayne Brightwell | CAN |
WRE | Olympics | 1984 | 1–0–0 1986 Edinburgh WRE gold: freestyle super-heavyweight +100 kg |
| Debbie Brill | CAN |
ATH | Olympics | 1972—1984 | 2–1–0 1970 Edinburgh ATH gold: high jump; 1978 Edmonton ATH silver: high jump; 1982 Brisbane ATH gold: high jump |
| Steve Brimacombe | AUS |
ATH | Olympics | 1996 | 0–0–1 1998 Kuala Lumpur ATH bronze: 4×100 m relay |
| Brian Brinkley | GBR |
SWM | Olympics | 1972—1976 | 1–3–2 1974 Christchurch SWI gold: 200 m butterfly, silver: 200 m medley, 400 m medley, and 4×200 m freestyle, bronze: 4×100 m freestyle and 4×100 m medley (competed for England) |
| Okkert Brits | RSA |
ATH | Olympics | 1996—2004 | 1–0–0 2002 Manchester ATH gold: pole vault |
| John Brockway | GBR |
SWM | Olympics | 1948—1956 | 1–1–0 1950 Auckland SWI silver: 110 yards backstroke (competed for Wales); 1954 Vancouver SWI gold: 110 yards backstroke (competed for Wales) |
| Leith Brodie | AUS |
SWM | Olympics | 2008 | 1–0–1 2010 Delhi SWI gold: 4×200 m freestyle (swam in heats only), bronze: 200 m medley |
| Alastair Brogdon | GBR |
HOC | Olympics | 2016 | 0–0–1 2014 Glasgow HOK bronze (competed for England) |
| Alastair Brogdon | GBR |
HOC | Olympics | 2016 | 0–0–1 2014 Glasgow HOK bronze (competed for England) |
