These are the results of the swimming competition at the 1975 World Aquatics Championships.
| 1975 FINA World Championships | ||
|---|---|---|
| Diving | ||
| Individual | ||
| 3 m | men | women |
| 10 m | men | women |
| Swimming | ||
| Freestyle | ||
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | women | |
| 1500 m | men | |
| Backstroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Breaststroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Butterfly | ||
| 100 m | men | women |
| 200 m | men | women |
| Individual medley | ||
| 200 m | men | women |
| 400 m | men | women |
| Freestyle relay | ||
| 4×100 m | men | women |
| 4×200 m | men | |
| Medley relay | ||
| 4×100 m | men | women |
| Synchronised swimming | ||
| Solo | women | |
| Duet | women | |
| Team | women | |
| Water polo | ||
| Tournament | men | |
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 |  United States (USA) | 11 | 11 | 9 | 31 |
| 2 |  East Germany (GDR) | 11 | 7 | 5 | 23 |
| 3 |  Hungary (HUN) | 3 | 0 | 0 | 3 |
| 4 |  Great Britain (GBR) | 2 | 1 | 5 | 8 |
| 5 |  West Germany (FRG) | 1 | 2 | 1 | 4 |
| 6 |  Australia (AUS) | 1 | 2 | 0 | 3 |
| 7 |  Netherlands (NED) | 0 | 2 | 3 | 5 |
 Soviet Union (URS) | 0 | 2 | 3 | 5 | |
| 9 |  Canada (CAN) | 0 | 1 | 2 | 3 |
| 10 |  Japan (JPN) | 0 | 1 | 0 | 1 |
| 11 |  Italy (ITA) | 0 | 0 | 1 | 1 |
| Totals (11 nations) | 29 | 29 | 29 | 87 | |
Legend:WR– World record; CR– Championship record
Legend:WR– World record; CR– Championship record
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