Aquatics at the 1975 Southeast Asian Games

Aquatics at the 1975 Southeast Asian Peninsular Games included swimming, diving and water polo events. The three sports of aquatics were held in Bangkok,Thailand. Aquatics events was held between 11 December to 14 December.

Swimming

Men's events

Event	Gold		Silver		Bronze
100 m freestyle	Tan Thuan Heng	56.90	David Hoe	57.54	Aung Khine	57.8
200 m freestyle	Jonathan Davidson	2:04.8	Khoo Teng Chuan	2:05.7	Roy Chan	2:07.6
400 m freestyle	Jonathan Davidson	4:26.2	Khoo Teng Chuan	4:26.33	Aung Khine	4:35.3
1500 m freestyle	Khoo Teng Chuan	17:42.5	Jonathan Davidson	17:43.4	Aung Khine	18:35.9
100 m backstroke	David Hoe	1:03.93	Chiang Jin Choon	1:04.86	Yeo Tseng Tsai	1:06.37
200 m backstroke	Chiang Jin Choon	2:18.0	Yeo Tseng Tsai	2:18.2	David Hoe	2:23.5
100 m breaststroke	Prapis Huadlee	1:14.4	Felix Tseng	1:14.85	Kraisree Butrawong	1:15.12
200 m breaststroke	Yik Tien Diew	2:45.45	Prapis Huadlee	2:45.90	Kraisree Butrawong	2:45.99
100 m butterfly	Vincent Lee	1:01.77	Roy Chan	1:02.7	Nanda Kyaw Zwa	1:03.6
200 m butterfly	Khoo Teng Chuan	2:14.84	Richard Quek	2:16.0	Nanda Kyaw Zwa	2:22.5
400 m individual medley	Khoo Teng Chuan	5:08.67	Chaod Bhobant	5:15.0	Yeo Tseng Tsai	5:15.29
4 × 100 m freestyle relay	Singapore	3:50.24	Malaysia	3:53.3	Thailand	3:54.3
4 × 200 m freestyle relay	Singapore	8:37.51	Thailand	8:44.5	Malaysia	8:57.5
4 × 100 m medley relay	Singapore	4:16.75	Malaysia	4:34.3	Thailand	4:37.5

Women's events

Event	Gold		Silver		Bronze
100 m freestyle	Justina Tseng	1:02.8	Rachaniwan Bulakul	1:02.8	Rosanna Lam Ai Leng	1:05.7
200 m freestyle	Rachaniwan Bulakul	2:15.9	Anne Hoe	2:18.9	Ang Siew Lan	2:24.7
400 m freestyle	Rachaniwan Bulakul	4:38.8	Junie Sng	4:40.36	Anne Hoe	4:41.07
800 m freestyle	Junie Sng	9:32.47	Rachaniwan Bulakul	9:35.7	Anne Hoe	10:08.34
100 m backstroke	Vivian Tham Mei Keng	1:14.1	Angela Lecomber	1:15:76	Anita Chen	1:17.0
200 m backstroke	Vivian Tham Mei Keng	2:40.2	Anita Chen	2:42.2	Angela Lecomber	2:44.50
100 m breaststroke	Justina Tseng	1:20.9	Rosanna Lam Ai Leng	1:21.7	Desiree Lim	1:23.9
200 m breaststroke	Justina Tseng	2:53.29	Rosanna Lam Ai Leng	2:54.1	Desiree Lim	2:57.07
100 m butterfly	Sansanee Changkasiri		Justina Tseng	1:10.7	Karen Chong	1:11.3
200 m butterfly	Justina Tseng	2:34.63	Karen Chong	2:36.21	Sansanee Changkasiri	2:40.4
200 m individual medley	Justina Tseng	2:36.38	Rosanna Lam Ai Leng	2:40.69	Anita Chen	2:40.72
4 × 100 m freestyle relay	Singapore	4:25.00	Malaysia	4:30.4	Thailand	4:33.7
4 × 100 m medley relay	Singapore	4:53.12	Thailand	5:00.8	Malaysia	5:02.8