The swimming competition at the 1970 Summer Universiade took place in Turin, Italy in August 1970.[1]
| 100 m freestyle | 53.2 | 53.4 | 53.9 | ||||
| 400 m freestyle | 4:12.1 | 4:13.6 | 4:17.9 | ||||
| 1500 m freestyle | 16:43.1 | 17:01.1 | 17:34.9 | ||||
| 100 m backstroke | 59.4 | 59.5 | 1:01.7 | ||||
| 200 m backstroke | 2:09.3 | 2:09.6 | 2:15.0 | ||||
| 100 m breaststroke | 1:07.1 | 1:07.5 | 1:08.6 | ||||
| 200 m breaststroke | 2:25.5 | 2:28.4 | 2:29.4 | ||||
| 100 m butterfly | 57.5 | 57.7 | 59.2 | ||||
| 200 m butterfly | 2:07.8 | 2:09.2 | 2:10.2 | ||||
| 400 m individual medley | 4:46.1 | 4:48.8 | 4:56.5 | ||||
| 4×100 m freestyle relay | 3:33.3 | 3:36.1 | 3:45.8 | ||||
| 4×200 m freestyle relay | 7:53.7 | 8:08.0 | 8:26.0 | ||||
| 4×100 m medley relay | 3:59.9 | 4:03.9 | 4:05.8 | ||||
| 100 m freestyle | 1:00.9 | 1:01.1 | 1:02.1 | ||||
| 400 m freestyle | 4:43.7 | 4:49.9 | 4:53.9 | ||||
| 100 m backstroke | 1:07.3 | 1:11.0 | 1:11.4 | ||||
| 100 m breaststroke | 1:16.7 | 1:18.1 | 1:18.9 | ||||
| 200 m breaststroke | 2:45.4 | 2:49.4 | 2:49.6 | ||||
| 100 m butterfly | 1:06.0 | Not Awarded | 1:06.9 | ||||
| 200 m individual medley | 2:31.4 | 2:32.1 | 2:34.5 | ||||
| 4×100 m freestyle relay | 4:09.5 | 4:20.2 | 4:21.6 | ||||
| 4×100 m medley relay | 4:35.1 | 4:41.6 | 4:43.3 | ||||