Swimming at the 1978 Asian Games
Venue	Kasetsart University
Dates	12–17 December 1978
← 1974 1982 →

Swimming was contested at the 1978 Asian Games in Kasetsart University, Bangkok, Thailand from December 12 to December 17, 1978.

Event	Gold		Silver		Bronze
100 m freestyle details	Tsuyoshi Yanagidate  Japan	54.10 GR	Guo Ruishan  China	54.25	Gerardo Rosario  Philippines	54.28
200 m freestyle details	Gerardo Rosario  Philippines	1:56.68 GR	Kristiono Sumono  Indonesia	1:56.76	Hiroshi Sakamoto  Japan	1:57.33
400 m freestyle details	Shuji Tsukasaki  Japan	4:06.83 GR	Kazuhiko Yoshihara  Japan	4:07.22	Kristiono Sumono  Indonesia	4:08.30
1500 m freestyle details	Shuji Tsukasaki  Japan	16:14.92 GR	Takehiko Kawakami  Japan	16:47.83	Mark Joseph  Philippines	16:49.87
100 m backstroke details	Kenji Ikeda  Japan	1:00.76 GR	Tsuyoshi Takahashi  Japan	1:01.27	Tang Qun  China	1:01.96
200 m backstroke details	Tsuyoshi Takahashi  Japan	2:10.87 GR	Tang Qun  China	2:12.48	Kenji Ikeda  Japan	2:13.52
100 m breaststroke details	Shigehiro Takahashi  Japan	1:04.94 GR	Hiroshi Kabatani  Japan	1:05.75	Wang Lin  China	1:06.42
200 m breaststroke details	Shigehiro Takahashi  Japan	2:22.56 GR	Hiroshi Kabatani  Japan	2.23.71	Wang Lin  China	2:26.43
100 m butterfly details	Shinsuke Kayama  Japan	58.41	Luo Zhaoying  China	58.58	Gerald Item  Indonesia	59.64
200 m butterfly details	Shinsuke Kayama  Japan	2:06.68 GR	Gerald Item  Indonesia	2:08.46	Cho Oh-yun  South Korea	2:09.19
200 m individual medley details	Tsuyoshi Yanagidate  Japan	2:10.22 GR	Kozo Tatsumi  Japan	2:11.95	Gerald Item  Indonesia	2:14.04
400 m individual medley details	Kozo Tatsumi  Japan	4:40.80 GR	Tsuyoshi Yanagidate  Japan	4:40.86	Gerald Item  Indonesia	4:46.56
4 × 100 m freestyle relay details	Japan Hiroshi Sakamoto Shinya Izumi Shigeki Yamazaki Tsuyoshi Yanagidate	3:35.91 GR	China Cui Fang Huang Guangliang Mo Zhengjie Zhong Guiyu	3:39.63	Indonesia Gerald Item Dwi Widjayanto John David Item Kristiono Sumono	3:40.24
4 × 200 m freestyle relay details	Japan Kazuhiko Yoshihara Hiroshi Sakamoto Shigeki Yamazaki Tsuyoshi Yanagidate	7:49.75 GR	Indonesia Dwi Widjayanto John David Item Gerald Item Kristiono Sumono	8:05.55	Philippines Vicente Cheng Mark Joseph Jairulla Jaitulla Gerardo Rosario	8:07.10
4 × 100 m medley relay details	Japan Kenji Ikeda Shigehiro Takahashi Shinsuke Kayama Shigeki Yamazaki	3:56.97 GR	China Tang Qun Wang Lin Fan Liuke Lu Zhurong	4:01.08	Indonesia Lukman Niode Kun Hantyo Gerald Item Dwi Widjayanto	4:03.98

Event	Gold		Silver		Bronze
100 m freestyle details	Sachiko Yamazaki  Japan	1:00.30 GR	Shiho Sakanishi  Japan	1:00.84	Ratchaneewan Bulakul  Thailand	1:01.41
200 m freestyle details	Ratchaneewan Bulakul  Thailand	2:09.98 GR	Junie Sng  Singapore	2:11.08	Sachiko Yamazaki  Japan	2:11.09
400 m freestyle details	Junie Sng  Singapore	4:31.35 GR	Kana Kamo  Japan	4:32.86	Ratchaneewan Bulakul  Thailand	4:34.08
800 m freestyle details	Junie Sng  Singapore	9:18.33 GR	Kana Kamo  Japan	9:22.48	Magumi Tochihara  Japan	9:29.83
100 m backstroke details	Hisae Asari  Japan	1:06.74 GR	Naoko Miura  Japan	1:07.23	Choi Yun-jung  South Korea	1:09.57
200 m backstroke details	Hisae Asari  Japan	2:23.12 GR	Naoko Miura  Japan	2:25.13	Choi Yun-jung  South Korea	2:26.91
100 m breaststroke details	Chieko Watanabe  Japan	1:16.04 GR	Liang Weifen  China	1:17.06	Chiharu Mori  Japan	1:17.19
200 m breaststroke details	Chieko Watanabe  Japan	2:41.01 GR	Chiharu Mori  Japan	2:46.01	Liang Weifen  China	2:47.50
100 m butterfly details	Yasue Hatsuda  Japan	1:03.56 GR	Naoko Kume  Japan	1:03.84	Shao Tongmei  China	1:07.99
200 m butterfly details	Yasue Hatsuda  Japan	2:15.79 GR	Naoko Kume  Japan	2:16.80	Nunung Selowati  Indonesia	2:25.45
200 m individual medley details	Mio Hirata  Japan	2:27.98	Yuko Imamichi  Japan	2:29.06	Liang Weifen  China	2:30.12
400 m individual medley details	Mio Hirata  Japan	5:08.34 GR	Yuko Imamichi  Japan	5:11.43	Naniek Suwadji  Indonesia	5:22.73
4 × 100 m freestyle relay details	Japan Sachiko Yamazaki Shiho Sakanishi Mika Saito Makiko Takahashi	4:03.58 GR	China Lou Yinghua Liu Yafang Cheng Fengying Yu Ping	4:12.43	Thailand Sumatana Pingkalawan Sirirat Changkasiri Sansanee Changkasiri Ratchaneewan Bulakul	4:17.50
4 × 100 m medley relay details	Japan Hisae Asari Chieko Watanabe Yasue Hatsuda Sachiko Yamazaki	4:27.16 GR	China Chen Weiying Liang Weifen Shao Tongmei Liang Xiuqiong	4:39.54	Indonesia Naniek Suwadji Anita Sapardjiman Tati Irianti Erningpraja Nunung Selowati	4:45.46

Rank	Nation	Gold	Silver	Bronze	Total
1	Japan (JPN)	25	17	5	47
2	Singapore (SIN)	2	1	0	3
3	Philippines (PHI)	1	0	3	4
	Thailand (THA)	1	0	3	4
5	China (CHN)	0	8	6	14
6	Indonesia (INA)	0	3	9	12
7	South Korea (KOR)	0	0	3	3
Totals (7 entries)		29	29	29	87

• Results 12 December
• Results 13 December
• Results 14 December
• Results 16 December
• Results 17 December

• Asian Swimming Federation^[usurped]