# List of Western Australian Olympic and Paralympic medallists in swimming

List of Western Australian swimmers who have won a medal at the Summer Olympic Games or Summer Paralympic Games. Most athletes have been inducted into Swimming WA Hall of Fame.
| Name | Year / Games | Location | Age at Games | Gold | Silver | Bronze | World Records | Individual/Relay Medals |
| Kevin O'Halloran | 1956 Summer Olympics | Melbourne | 19 | 1 | | | 1 | 4 × 200 m Freestyle Relay |
| David Dickson | 1960 Summer Olympics | Rome | 19 | | | 1 | | 4 × 200 m Freestyle Relay |
| David Dickson | 1964 Summer Olympics | Tokyo | 23 | | | 2 | | 4 × 100 m Freestyle Relay, 4 × 100 m Medley Relay |
| John Ryan | 1964 Summer Olympics | Tokyo | 20 | | | 1 | | 4x100 Freestyle Relay |
| Elizabeth Edmondson | 1964 Summer Olympics | Tokyo | 14 | 3 | | | 3 | Individual |
| Frank Ponta | 1964 Summer Paralympics | Tokyo | 29 | 1 | | | | Individual |
| Elizabeth Edmondson | 1968 Summer Paralympics | Tel Aviv | 18 | 2 | 1 | | 2 | Individual |
| Lynne Watson | 1968 Summer Olympics | Mexico City | 16 | | 1 | | | 4 × 100 m Medley Relay |
| Lyn McClements | 1968 Summer Olympics | Mexico City | 17 | 1 | 1 | | | Individual, 4 × 100 m Medley Relay |
| Lorraine Dodd | 1968 Summer Paralympics | Tel Aviv | 24 | 3 | | | 3 | Individual |
| Frank Ponta | 1968 Summer Paralympics | Tel Aviv | 33 | | | 1 | | Individual |
| Neil Brooks | 1980 Summer Olympics | Moscow | 18 | 1 | 2 | 3 | | 4 × 100 m Medley Relay |
| Peter Evans | 1980 Summer Olympics | Moscow | 19 | 1 | | 1 | | Individual, 4 × 100 m Medley Relay |
| Peter Evans | 1984 Summer Olympics | Los Angeles | 23 | | | 2 | | 4 × 100 m Medley/Individual |
| Neil Brooks | 1984 Summer Olympics | Los Angeles | 22 | | 1 | 1 | | 4 × 100 m Freestyle,4 × 100 m Medley |
| Kingsley Bugarin | 1984 Summer Paralympics | New York City | 16 | | 2 | 1 | | Individual |
| Kingsley Bugarin | 1988 Summer Paralympics | Seoul | 20 | | | 3 | | Individual |
| Sandra Yaxley | 1988 Summer Paralympics | Seoul | 19 | 1 | 1 | | | Individual, 4x50m Freestyle Relay |
| Julia Greville | 1996 Summer Olympics | Atlanta | 17 | | | 1 | | 4 × 200 m Freestyle Relay |
| Helen Denman | 1996 Summer Olympics | Atlanta | 20 | | 1 | | | 4 × 100 m Medley Relay |
| Priya Cooper | 1992 Summer Paralympics | Barcelona | 18 | 3 | 2 | | 2 | Individual |
| Sandra Yaxley | 1992 Summer Paralympics | Barcelona | 23 | 1 | | 1 | | Individual, 4x50m Freestyle Relay |
| Kingsley Bugarin | 1992 Summer Paralympics | Barcelona | 24 | | 3 | 1 | | Individual |
| Tracey Cross | 1992 Summer Paralympics | Barcelona | 20 | 2 | 2 | | | Individual |
| Priya Cooper | 1996 Summer Paralympics | Atlanta | 22 | 5 | 1 | 1 | 2 | Individual, 4 × 100 m Freestyle Relay |
| Tracey Cross | 1996 Summer Paralympics | Atlanta | 24 | 2 | 1 | | | Individual |
| Kingsley Bugarin | 1996 Summer Paralympics | Atlanta | 28 | 3 | 2 | 1 | | Individual |
| Todd Pearson | 2000 Summer Olympics | Sydney | 23 | 2 | | | 2 | 4 × 100 m Freestyle Relay, 4 × 200 m Freestyle Relay |
| Bill Kirby | 2000 Summer Olympics | Sydney | 25 | 1 | | | 1 | 4 × 200 m Freestyle |
| Priya Cooper | 2000 Summer Paralympics | Sydney | 26 | 1 | | 3 | | Individual, 4 × 100 m Freestyle, 4 × 100 m Medley |
| Tracey Cross | 2000 Summer Paralympics | Sydney | 28 | | 2 | 1 | | Individual |
| Kingsley Bugarin | 2000 Sydney Paralympics | Sydney | 32 | 2 | 1 | | | Individual |
| Antony Matkovich | 2004 Summer Olympics | Athens | 27 | | 1 | | | 4 × 200 m Freestyle Relay |
| Todd Pearson | 2004 Summer Olympics | Athens | 27 | | 1 | | | 4 × 200 m Freestyle Relay |
| Eamon Sullivan | 2008 Summer Olympics | Beijing | 23 | | 2 | 1 | | Individual, 4 × 100 m Medley Relay, 4 × 100 m Freestyle Relay |
| Katrina Porter | 2008 Summer Paralympics | Beijing | 20 | 1 | | | 1 | Individual |
| Tommaso D'Orsogna | 2012 Summer Olympics | London | 22 | | | 1 | | 4 × 100 m Medley Relay |
| Tamsin Cook | 2016 Summer Olympics | Rio de Janeiro | 17 | | 1 | | | 4 × 200 m Freestyle Relay |