Back Campionat del Món de natació de 1978 Catalan Schwimmweltmeisterschaften 1978 German Campeonato Mundial de Natación de 1978 Spanish 1978. aasta ujumise maailmameistrivõistlused Estonian مسابقات قهرمانی ورزشهای آبی جهان ۱۹۷۸ Persian Uinnin maailmanmestaruuskilpailut 1978 Finnish Championnats du monde de natation 1978 French אליפות העולם בשחייה 1978 HE Svjetsko prvenstvo u vodenim športovima 1978. Croatian 1978-as úszó-világbajnokság Hungarian
| 3rd FINA World Championships | |
|---|---|
| Host city | Berlin, West Germany |
| Date(s) | August 20–28, 1978 |
| 1978 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 | |
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The 1978 World Aquatics Championships took place in the free city of West Berlin between August 20 and August 28, 1978. Women's Water Polo competed as an exhibition sport.