| 1st European Aquatics Championships | |
| Host City: | Budapest |
| Country: | Hungary |
| Events: | 9 |
The 1926 LEN European Aquatics Championships took place in Budapest, Hungary between 18 and 26 August 1926. At these inaugural championships, only men were allowed to compete.
| 3 m springboard | Arthur Mund Germany | 186.42 | Josef Lechnir Germany | 173.52 | Július Balász | 164.72 | |
| Platform | Hans Luber Germany | 112.84 | Helge Öberg | 107.60 | Albert Knight | 101.60 |
| 100 m freestyle | István Bárány Hungary | 1:01.0 | Arne Borg | 1:01.1 | Georg Werner | 1:03.6 | |
| 400 m freestyle | Arne Borg | 5:14.2 | Herbert Heinrich Germany | 5:21.4 | Friedrich Berges Germany | 5:25.6 | |
| 1500 m freestyle | Arne Borg | 21:29.2 | Friedrich Berges Germany | 22:08.2 | Joachim Rademacher Germany | 22:19.8 | |
| 100 m backstroke | Gustav Fröhlich Germany | 1:16.0 | Károly Bartha Hungary | 1:16.0 | Eskil Lundahl | 1:16.1 | |
| 200 m breaststroke | Erich Rademacher Germany | 2:52.6 | Louis Van Parijs | 2:54.8 | Wilhelm Prasse Germany | 3:00.1 | |
| freestyle relay | Germany August Heitmann Joachim Rademacher Friedrich Berger Herbert Heinrich | 9:57.2 | Hungary Zoltan Bitskey András Wanié Géza Szigritz István Bárány | 10:03.4 | Åke Borg Arne Borg Eskil Lundahl Georg Werner | 10:06.8 |
| Men's water polo |