| 3rd FINA World Championships | |
| Hostcity: | Berlin, West Germany |
| Dates: | August 20–28, 1978 |
| Previous: | 1975 Cali |
| Next: | 1982 Guayaquil |
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.
| width=50 | Place | width=200 | Nation | width=50 | width=50 | width=50 | width=50 | Total | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 23* | 14 | 7 | 44 | |||||||
| 2 | 6 | 4 | 6 | 16 | |||||||
| 3 | 3 | 1 | 5 | 9 | |||||||
| 4 | 2 | 0 | 0 | 2 | |||||||
| 5 | 1 | 10 | 4 | 15 | |||||||
| 6 | 1 | 2 | 4 | 7 | |||||||
| 7 | 1 | 0 | 1 | 2 | |||||||
| 8 | 0 | 2 | 1 | 3 | |||||||
| 9 |  Hungary | 0 | 1 | 2 | 3 | ||||||
| 10 | 0 | 1 | 1 | 2 | |||||||
| 11 | 0 | 1 | 0 | 1 | |||||||
| 0 | 1 | 0 | 1 | ||||||||
| 13 | 0 | 0 | 2 | 2 | |||||||
| 0 | 0 | 2 | 2 | ||||||||
| 15 | 0 | 0 | 1 | 1 | |||||||
| 0 | 0 | 1 | 1 | ||||||||
| Total | 37 | 37 | 37 | 111 | |||||||
See main article: Diving at the 1978 World Aquatics Championships.
| 3 m springboard | ||||
| 10 m platform |
| 3 m springboard | ||||
| 10 m platform |
See main article: Swimming at the 1978 World Aquatics Championships.
| 100 m freestyle | ||||
| 200 m freestyle | ||||
| 400 m freestyle | ||||
| 1500 m freestyle | ||||
| 100 m backstroke | ||||
| 200 m backstroke | ||||
| 100 m breaststroke | ||||
| 200 m breaststroke | ||||
| 100 m butterfly | ||||
| 200 m butterfly | ||||
| 200 m individual medley | ||||
| 400 m individual medley | ||||
| 4 × 100 m freestyle relay | Jack Babashoff Rowdy Gaines Jim Montgomery David McCagg | Andreas Schmidt Ulrich Temps Peter Knust Klaus Steinbach | Per Holmertz Dan Larsson Per-Ola Quist Per-Alvar Magnusson | |
| 4 × 200 m freestyle relay | Bruce Furniss Bill Forrester Bobby Hackett Rowdy Gaines | Sergey Rusin Andrey Krylov Vladimir Salnikov Sergey Kopliakov | Andreas Schmidt Peter Knust Karsten Lippmann Frank Wennmann | |
| 4 × 100 m medley relay | Bob Jackson Nick Nevid Joe Bottom David McCagg | Klaus Steinbach Walter Kusch Michael Kraus Andreas Schmidt | Gary Abraham Duncan Goodhew John Mills Martin Smith |
| 100 m freestyle | ||||
| 200 m freestyle | ||||
| 400 m freestyle | ||||
| 800 m freestyle | ||||
| 100 m backstroke | ||||
| 200 m backstroke | ||||
| 100 m breaststroke | ||||
| 200 m breaststroke | ||||
| 100 m butterfly | ||||
| 200 m butterfly | ||||
| 200 m individual medley | ||||
| 400 m individual medley | ||||
| 4 × 100 m freestyle relay | Tracy Caulkins Stephanie Elkins Jill Sterkel Cynthia Woodhead | Heike Witt Caren Metschuck Barbara Krause Petra Priemer | Gail Amundrud Nancy Garapick Sue Sloan Wendy Quirk | |
| 4 × 100 m medley relay | Linda Jezek Tracy Caulkins Joan Pennington Cynthia Woodhead | Birgit Treiber Ramona Reinke Andrea Pollack Barbara Krause | Elena Kruglova Yuliya Bogdanova Irina Aksenova Larisa Tsaryova |
See main article: Synchronised swimming at the 1978 World Aquatics Championships.
| Solo routine | ||||
| Duet routine | | | | |
| Team routine |
| Team |