| Event: | Swimming |
| Year: | 2017 |
| Venue: | National Aquatic Centre |
| Location: | Kuala Lumpur, Malaysia |
| Date: | 18–26 August 2017 |
| Previous: | 2015 |
| Next: | 2019 |
The swimming competitions at the 2017 SEA Games in Kuala Lumpur took place at National Aquatic Centre in Bukit Jalil.[1] It was one of four aquatic sports at the games, along with diving, water polo, and synchronised swimming. Meanwhile, marathon swimming was held at the Putrajaya Lake.
The 2017 Games featured competitions in forty events (20 events for men and 20 events for women).
Similar to the program's format in 2015, swimming features a total of 40 events (20 each for men and women), including two 10 km open-water marathons. The following events will be contested (all pool events are long course, and distances are in metres unless stated):
50, 100, 200, 400, 800 (women), and 1,500 (men);
50,100 and 200;
50,100 and 200;
50,100 and 200;
200 and 400;
4×100 free, 4×200 free; 4×100 medley
10 kilometres
| 50 m freestyle | 22.55 | 22.66 NR | 22.90 NR | ||||
| 100 m freestyle | 48.93 | 49.31 | 50.56 | ||||
| 200 m freestyle | 1:47.79 | 1:48.07 NR | 1:48.49 | ||||
| 400 m freestyle | 3:50.26 GR | 3:54.15 NR | 3:54.20 NR | ||||
| 1500 m freestyle | 15:20.10 GR, NR | 15:23.94 | 15:28.69 NR | ||||
| 50 m backstroke | 25.20 GR | 25.39 | 25.82 | ||||
| 100 m backstroke | 54.81 | 54.94 NR | 55.92 | ||||
| 200 m backstroke | 2:00.09 GR | 2:00.49 | 2:02.76 | ||||
| 50 m breaststroke | 28.07 | 28.60 | 28.63 | ||||
| 100 m breaststroke | 1:01.76 NR | 1:02.11 NR | 1:02.24 | ||||
| 200 m breaststroke | 2:14.35 | 2:14.96 | 2:15.77 | ||||
| 50 m butterfly | 23.06 GR | 24.01 NR | 24.37 | ||||
| 100 m butterfly | 51.38 GR | 53.03 | 53.25 | ||||
| 200 m butterfly | 1:57.95 | 2:01.04 | 2:01.06 | ||||
| 200 m individual medley | 2:01.72 NR | 2:02.06 | 2:03.39 NR | ||||
| 400 m individual medley | 4:22.12 GR, NR | 4:22.73 NR | 4:23.54 | ||||
| 4×100 m freestyle relay | Joseph Schooling (49.25) Darren Lim (49.85) Danny Yeo (49.71) Quah Zheng Wen (49.04) | 3:17.85 GR, NR | Keith Lim Kit Sern (51.10) Chan Jie (50.99) Ching Hwang Lim (50.34) Welson Sim (49.36) | 3:21.79 NR | Triady Fauzi Sidiq (50.48) Raymond Sumitra Lukman (50.72) Ricky Anggawidjaja (51.33) I Gede Siman Sudartawa (51.12) | 3:23.65 NR | |
| 4×200 m freestyle relay | Danny Yeo (1:49.01) Quah Zheng Wen (1:48.90) Pang Sheng Jun (1:52.15) Joseph Schooling (1:48.88) | 7:18.94 | Hoàng Quý Phước (1:48.56) Nguyễn Huy Hoàng (1:50.80) Ngô Đình Chuyền (1:53.42) Trần Tấn Triệu (1:52.54) | 7:25.32 NR | Welson Sim (1:47.36) GR, NR Yeap Zheng Yang (1:52.05) Ching Hwang Lim (1:52.99) Keith Lim Kit Sern (1:54.51) | 7:26.91 | |
| 4×100 m medley relay | Quah Zheng Wen (55.10) Lionel Khoo (1:01.75) Joseph Schooling (50.90) Darren Lim (49.71) | 3:37.46 GR, NR | I Gede Siman Sudartawa (55.56) Gagarin Nathaniel Yus (1:01.79) Glenn Victor Sutanto (52.87) Triady Fauzi Sidiq (50.12) | 3:40.34 NR | Trần Duy Khôi (55.65) Phạm Thành Bảo (1:03.88) Hoàng Quý Phước (53.15) Ngô Đình Chuyền (50.41) | 3:43.09 NR | |
| 10 km open water | 2:03:18 | 2:05:41 | 2:08:40 | ||||
| 50 m freestyle | 25.41 GR | 25.46 | 25.63 NR | ||||
| 100 m freestyle | 55.74 GR | 55.76 NR | 55.90 NR | ||||
| 200 m freestyle | 1:59.24 GR | 2:01.34 | 2:02.02 | ||||
| 400 m freestyle | 4:10.96 | 4:15.54 | 4:16.87 | ||||
| 800 m freestyle | 8:35.55 | 8:45.44 | 8:51.09 | ||||
| 50 m backstroke | 29.26 NR | 29.81 | 29.91 | ||||
| 100 m backstroke | 1:01.89 GR, NR | 1:04.10 NR | 1:04.59 | ||||
| 200 m backstroke | 2:13.64 GR | 2:18.19 | 2:19.98 | ||||
| 50 m breaststroke | 31.29 GR, NR | 31.54 NR | 32.17 | ||||
| 100 m breaststroke | 1:09.00 GR | 1:09.44 NR | 1:10.82 | ||||
| 200 m breaststroke | 2:29.58 GR, NR | 2:30.89 NR | 2:32.41 | ||||
| 50 m butterfly | 26.83 | 26.94 NR | 27.27 NR | ||||
| 100 m butterfly | 59.38 | 1:00.45 | 1:00.69 | ||||
| 200 m butterfly | 2:12.03 NR | 2:14.52 | 2:15.05 | ||||
| 200 m individual medley | 2:14.25 | 2:16.85 NR | 2:17.46 NR | ||||
| 400 m individual medley | 4:45.82 | 4:50.39 NR | 4:54.51 | ||||
| 4×100 m freestyle relay | Quah Ting Wen (56.23) Amanda Lim (56.21) Natasha Ong (56.44) Quah Jing Wen (55.50) | 3:44.38 GR, NR | Kornkarnjana Sapianchai (56.75) Jenjira Srisa-ard (56.78) Patarawadee Kittiya (57.20) Natthanan Junkrajang (55.73) | 3:46.46 NR | Ressa Kania Dewi (57.65) Sagita Putri Krisdewanti (57.17) Adinda Larasati Dewi (58.59) Patricia Yosita Hapsari (57.15) | 3:50.56 NR | |
| 4×200 m freestyle relay | Christie Chue (2:02.78) Quah Ting Wen (2:01.28) Rachel Tseng (2:03.61) Quah Jing Wen (2:02.74) | 8:10.41 GR | Nicole Oliva (2:04.21) Nicole Meah Pamintuan (2:07.28) Rosalee Mira Santa Ana (2:05.97) Jasmine Alkhaldi (2:01.12) | 8:18.58 NR | None | ||
| 4×100 m medley relay | Hong En Qi (1:04.86) Samantha Yeo (1:10.06) Quah Jing Wen (58.69) Quah Ting Wen (55.71) | 4:09.32 | Phiangkhwan Pawapotako (1:04.48) Chavunooch Salubluek (1:10.99) Patarawadee Kittiya (1:00.50) Natthanan Junkrajang (55.70) | 4:11.67 NR | Nurul Fajar Fitriyati (1:04.13) Anandia Evato (1:10.17) Adinda Larasati Dewi (1:01.69) Patricia Yosita Hapsari (56.45) | 4:12.44 NR | |
| 10 km open water | 2:11:02 | 2:21:30 | None | ||||