# Swimming at the 1970 Asian Games

Swimming was contested at the 1970 Asian Games in National Stadium, Bangkok, Thailand from December 12 to December 16, 1970.

## Medalists
### Men

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 100 m freestyle details | Shojiro Sawa Japan | 55.3 GR | Kunihiro Iwasaki Japan | 56.1 | Tan Thuan Heng Singapore | 56.4 |
| 200 m freestyle details | Kunihiro Iwasaki Japan | 2:01.5 | Noboru Waseda Japan | 2:01.9 | Jairulla Jaitulla Philippines | 2:03.3 |
| 400 m freestyle details | Cho Oh-yun South Korea | 4:20.2 GR | Akira Iida Japan | 4:21.2 | Toshinori Murata Japan | 4:26.3 |
| 1500 m freestyle details | Cho Oh-yun South Korea | 17:25.7 GR | Akira Iida Japan | 17:42.7 | Toshinori Murata Japan | 17:45.9 |
| 100 m backstroke details | Tadashi Honda Japan | 1:01.2 GR | Koji Hoshino Japan | 1:02.4 | Hsu Tung-hsiung Republic of China | 1:03.7 |
| 200 m backstroke details | Tadashi Honda Japan | 2:13.2 GR | Koji Hoshino Japan | 2:17.6 | Hsu Tung-hsiung Republic of China | 2:18.6 |
| 100 m breaststroke details | Nobutaka Taguchi Japan | 1:06.3 GR | Amman Jalmaani Philippines | 1:09.9 | Phath Sim Onn Khmer Republic | 1:10.8 |
| 200 m breaststroke details | Nobutaka Taguchi Japan | 2:28.2 GR | Amman Jalmaani Philippines | 2:34.0 | Kemalpasa Umih Philippines | 2:35.5 |
| 100 m butterfly details | Yasuhiro Komazaki Japan | 58.7 GR | Satoshi Maruya Japan | 58.8 | Hsu Tung-hsiung Republic of China | 1:01.2 |
| 200 m butterfly details | Yasuhiro Komazaki Japan | 2:09.0 GR | Satoshi Maruya Japan | 2:16.0 | Leroy Goff Philippines | 2:16.3 |
| 400 m individual medley details | Toru Udo Japan | 4:57.8 GR | Junhachiro Tsutsumi Japan | 5:02.8 | Hsu Tung-hsiung Republic of China | 5:05.8 |
| 4 × 100 m freestyle relay details | Japan Shojiro Sawa Kunihiro Iwasaki Noboru Waseda Satoshi Maruya | 3:41.9 GR | Philippines Dae Imlani Carlos Brosas Kemalpasa Umih Jairulla Jaitulla | 3:52.0 | Khmer Republic Eat Kim Heng Tieng Sok Prak Samnang Tan Bunthay | 3:52.1 |
| 4 × 200 m freestyle relay details | Japan Noboru Waseda Kunihiro Iwasaki Akira Iida Toshinori Murata | 8:14.9 GR | Philippines Jairulla Jaitulla Dae Imlani Kemalpasa Umih Leroy Goff | 8:35.8 | Singapore Alex Chan Soh Seng Hoi Roy Chan Tan Thuan Heng | 8:35.8 |
| 4 × 100 m medley relay details | Japan Tadashi Honda Nobutaka Taguchi Satoshi Maruya Shojiro Sawa | 4:00.4 GR | Philippines Ibnorajik Muksan Amman Jalmaani Leroy Goff Jairulla Jaitulla | 4:15.3 | Israel Yoav Yaakovi Yohan Kende Dan Stern Moshe Gertel | 4:18.1 |

### Women

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 100 m freestyle details | Yoshimi Nishigawa Japan | 1:01.0 GR | Shigeko Kawanishi Japan | 1:01.5 | Pat Chan Singapore | 1:03.4 |
| 200 m freestyle details | Yoshimi Nishigawa Japan | 2:13.8 GR | Shigeko Kawanishi Japan | 2:17.3 | Pat Chan Singapore | 2:19.0 |
| 400 m freestyle details | Tae Iguchi Japan | 4:51.8 GR | Pat Chan Singapore | 4:52.4 | Eiko Goshi Japan | 5:03.7 |
| 100 m backstroke details | Yukiko Goshi Japan | 1:08.4 GR | Kikuyo Ishii Japan | 1:08.6 | Pat Chan Singapore | 1:11.1 |
| 100 m breaststroke details | Hitomi Tanigami Japan | 1:18.9 GR | Chieno Shibata Japan | 1:19.8 | Shlomit Nir Israel | 1:20.6 |
| 200 m breaststroke details | Chieno Shibata Japan | 2:46.5 GR | Hitomi Tanigami Japan | 2:51.5 | Shlomit Nir Israel | 2:54.3 |
| 100 m butterfly details | Mayumi Aoki Japan | 1:05.9 GR | Kazuyo Banno Japan | 1:08.4 | Tay Chin Joo Singapore | 1:08.9 |
| 200 m individual medley details | Yoshimi Nishigawa Japan | 2:26.5 GR | Yukari Takemoto Japan | 2:30.5 | Pat Chan Singapore | 2:35.9 |
| 4 × 100 m freestyle relay details | Japan Shigeko Kawanishi Yukiko Goshi Yukari Takemoto Yoshimi Nishigawa | 4:12.5 GR | Singapore Elaine Sng Jovina Tseng Tay Chin Joo Pat Chan | 4:20.4 | Republic of China Shen Bao-ni Wang Dai-yu Hsu Yue-yun Shen Pei-ni | 4:35.7 |
| 4 × 100 m medley relay details | Japan Yukiko Goshi Mayumi Aoki Chieno Shibata Yoshimi Nishigawa | 4:35.4 GR | Singapore Pat Chan Tay Chin Joo Esther Tan Elaine Sng | 4:55.8 | Philippines Luz Arzaga Hedy Garcia Susan Papa Luz Laciste | 5:08.5 |

## Medal table

| Rank | Nation | Gold | Silver | Bronze | Total |
| 1 | Japan (JPN) | 22 | 16 | 3 | 41 |
| 2 | South Korea (KOR) | 2 | 0 | 0 | 2 |
| 3 | Philippines (PHI) | 0 | 5 | 4 | 9 |
| 4 | Singapore (SIN) | 0 | 3 | 7 | 10 |
| 5 | Republic of China (ROC) | 0 | 0 | 5 | 5 |
| 6 | Israel (ISR) | 0 | 0 | 3 | 3 |
| 7 | Khmer Republic (KHM) | 0 | 0 | 2 | 2 |
| Totals (7 entries) | Totals (7 entries) | 24 | 24 | 24 | 72 |