The swimming events of the 1971 Mediterranean Games were held in İzmir, Turkey.
| 100 m freestyle | 55.6 | 56.0 | 56.2 | ||||
| 200 m freestyle | 2:03.0 | 2:03.8 | 2:03.8 | ||||
| 400 m freestyle | 4:19.7 | 4:22.8 | 4:22.8 | ||||
| 1500 m freestyle | 17:11.2 | 17.11.3 | 17:14.9 | ||||
| 100 m backstroke | 1:01.9 | 1:01.9 | 1:02.6 | ||||
| 200 m backstroke | 2:12.6 | 2:14.0 | 2:18.3 | ||||
| 100 m breaststroke | 1:11.0 | 1:11.5 | 1:13.3 | ||||
| 200 m breaststroke | 2:35.1 | 2:36.5 | 2:38.5 | ||||
| 100 m butterfly | 1:00.3 | 1:00.7 | 1:01.1 | ||||
| 200 m butterfly | 2:11.9 | 2:17.2 | 2:18.4 | ||||
| 200 m medley | 2:15.7 | 2:18.1 | 2:19.4 | ||||
| 400 m medley | 4:57.2 | 4:57.4 | 4:59.4 | ||||
| 4x100 m freestyle | 3:41.9 | 3:42.4 | 3:50.2 | ||||
| 4x200 m freestyle | 8:11.9 | 8:14.6 | 8:39.9 | ||||
| 4x100 m medley | 4:08.1 | 4:09.1 | 4:13.9 | ||||
| 100 m freestyle | 1:01.8 | 1:02.0 | 1:04.0 | |||
| 400 m freestyle | 4:37.2 | 4:54.4 | 5:02.8 | |||
| 100 m backstroke | 1:11.3 | 1:12.2 | 1:13.9 | |||
| 100 m breaststroke | 1:20.0 | 1:22.2 | 1:23.5 | |||
| 100 m butterfly | 1:08.7 | 1:09.0 | 1:10.4 | |||
| 200 m medley | 2:33.9 | 2:37.1 | 2:39.5 | |||
| 4x100 m freestyle | 4:17.4 | 4:23.8 | 4:34.8 | |||