Swimming was contested at the 2019 Summer Universiade from 4 to 10 July 2019 at the Scandone Swimming Pool in Naples.[1]
| 50 m freestyle | 21.97 | 22.26 | 22.39 | |||||
| 100 m freestyle | 48.01 | 48.29 | 48.57 | |||||
| 200 m freestyle | 1:46.80 | 1:46.97 | 1:47.86 | |||||
| 400 m freestyle | 3:49.48 | 3:50.04 | 3:50.41 | |||||
| 800 m freestyle | 7:56.65 | 7:57.95 | 7:58.27 | |||||
| 1500 m freestyle | 15:01.76 | 15:07.36 | 15:09.29 | |||||
| 50 m backstroke | 24.48 | None awarded | 24.94 | |||||
| 100 m backstroke | 53.51 | 53.80 | 53.81 | |||||
| 200 m backstroke | 1:55.65 | 1:57.91 | 1:57.96 | |||||
| 50 m breaststroke | 26.99 | 27.19 | 27.25 | |||||
| 100 m breaststroke | 59.49 UR | 59.50 | 59.72 | |||||
| 200 m breaststroke | 2:08.88 | 2:09.42 | 2:09.63 | |||||
| 50 m butterfly | 23.32 | 23.35 | 23.47 | |||||
| 100 m butterfly | 52.05 | None awarded | 52.11 | |||||
| 200 m butterfly | 1:55.63 | 1:55.94 | 1:55.99 | |||||
| 200 m individual medley | 1:58.88 | 1:59.28 | 1:59.87 | |||||
| 400 m individual medley | 4:12.54 | 4:13.90 | 4:15.37 | |||||
| 4 × 100 m freestyle relay | 3:11.03 | valign=top | Luiz Gustavo Borges (49.57) Marco Antônio Ferreira (48.00) Gabriel Ogawa (49.57) Felipe de Souza (48.13) | 3:15.27 | valign=top | Ivano Vendrame (48.91) Alessandro Bori (48.87) Davide Nardini (49.10) Giovanni Izzo (49.03) | 3:15.91 | |
| 4 × 200 m freestyle relay | 7:09.77 | valign=top | Mattia Zuin (1:48.36) Matteo Ciampi (1:47.03) Alessio Proietti Colonna (1:48.72) Stefano Di Cola (1:46.32) | 7:10.43 | valign=top | 7:14.75 | ||
| 4 × 100 m medley relay | 3:33.02 | valign=top | 3:33.72 | valign=top | 3:33.72 | |||
| 50 m freestyle | 25.08 | 25.12 | 25.15 | |||||
| 100 m freestyle | 54.76 | 55.04 | 55.05 | |||||
| 200 m freestyle | 1:57.62 | 1:58.31 | 1:59.00 | |||||
| 400 m freestyle | 4:05.80 | 4:10.53 | 4:11.37 | |||||
| 800 m freestyle | 8:34.30 | 8:37.36 | 8:38.19 | |||||
| 1500 m freestyle | 16:16.33 | 16:20.00 | 16:20.94 | |||||
| 50 m backstroke | 27.92 | 28.02 | 28.25 | |||||
| 100 m backstroke | 59.29 UR | 59.62 | 1:00.43 | |||||
| 200 m backstroke | 2:07.91 UR | 2:08.56 | 2:09.57 | |||||
| 50 m breaststroke | 30.73 | 30.81 | 31.13 | |||||
| 100 m breaststroke | 1:06.42 | 1:07.22 | 1:07.28 | |||||
| 200 m breaststroke | 2:22.92 | 2:23.65 | 2:24.18 | |||||
| 50 m butterfly | 26.25 | 26.38 | 26.41 | |||||
| 100 m butterfly | 58.74 | 58.82 | 58.87 | |||||
| 200 m butterfly | 2:07.92 | 2:09.05 | 2:09.38 | |||||
| 200 m individual medley | 2:11.35 | 2:12.24 | 2:12.25 | |||||
| 400 m individual medley | 4:37.95 | 4:40.16 | 4:40.18 | |||||
| 4 × 100 m freestyle relay | 3:37.99 UR | 3:41.74 | valign=top | Paola Biagioli (55.75) Gioelemaria Origlia (55.72) Giulia Verona (55.52) Aglaia Pezzato (54.85) | 3:41.84 | |||
| 4 × 200 m freestyle relay | valign=top | 7:53.90 | valign=top | 7:59.68 | 8:03.85 | |||
| 4 × 100 m medley relay | 3:59.77 | valign=top | 4:00.07 | valign=top | 4:03.32 | |||