Swimming at the 1959 SEAP Games was held in Bangkok, Thailand. The competition featured 7 male events swum in a long course (50m) pool.
Results edit
| Event | Gold | Silver | Bronze | |||
|---|---|---|---|---|---|---|
| 100 m freestyle | Tin Maung Ni  Burma (BIR) |
1:00.2 GR |
Mya Thee Burma (BIR) |
Tan Cheow Choon  Singapore (SIN) |
1:00.9 | |
| 200 m freestyle | Tin Maung Ni Burma (BIR) |
2:17.7 GR |
Mya Thee Burma (BIR) |
2:22.4 | Tan Cheow Choon Singapore (SIN) |
2:24.8 |
| 100 m backstroke | Lim Heng Chek  Malaya (MAL) |
1:11.5 GR |
Tat Thang  Vietnam (VIE) |
1:15.1 | Tan Gek Kee Singapore (SIN) |
1:15.5 |
| 100 m breaststroke | Truong Ke Nhon Vietnam (VIE) |
1:20.6 GR |
Seah Pong Pin Singapore (SIN) |
1:21.0 | Koay Thian Soon Malaya (MAL) |
|
| 100 m butterfly | Lim Heng Chek Malaya (MAL) |
1:13.5 GR |
Seah Pong Pin Singapore (SIN) |
1:13.7 | Phan Huu Dong Vietnam (VIE) |
|
| 4×100 m freestyle relay | Singapore (SIN) |
4:14.4 GR |
Burma (BIR) |
4:18.1 |  Thailand (THA) |
4:40.9 |
| 4×100 m medley relay | Vietnam (VIE) |
4:55.4 GR |
Malaya (MAS) |
Thailand (THA) |
||
Medal table edit
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 | Burma (BIR) | 2 | 3 | 0 | 5 |
| 2 | Malaya (MAL) | 2 | 1 | 1 | 4 |
| Vietnam (VIE) | 2 | 1 | 1 | 4 | |
| 4 | Singapore (SIN) | 1 | 2 | 3 | 6 |
| 5 | Thailand (THA) | 0 | 0 | 2 | 2 |
| Totals (5 entries) | 7 | 7 | 7 | 21 | |