Swimming at the 2002 Asian Games – Men's 100 metre breaststroke

All times are Korea Standard Time (UTC+09:00)

Prior to this competition, the existing world, Asian and Games records were as follows.

World Record	Roman Sludnov (RUS)	59.94	Fukuoka, Japan	23 July 2001
Asian Record	Kosuke Kitajima (JPN)	1:00.34	Yokohama, Japan	24 August 2002
Games Record	Akira Hayashi (JPN)	1:02.04	Hiroshima, Japan	3 October 1994

Legend

• DSQ — Disqualified

Heats

Rank	Heat	Athlete	Time	Notes
1	3	Kosuke Kitajima (JPN)	1:00.71	GR
2	2	Yoshihisa Yamaguchi (JPN)	1:03.84
3	1	Zeng Qiliang (CHN)	1:03.87
4	3	Chen Cho-yi (TPE)	1:04.08
5	1	Cheng Hao (CHN)	1:04.20
6	3	Elvin Chia (MAS)	1:04.51
7	2	Yang Shang-hsuan (TPE)	1:04.90
8	2	Tam Chi Kin (HKG)	1:05.04
9	3	Ahmed Al-Kudmani (KSA)	1:05.11
10	2	Raphael Matthew Chua (PHI)	1:05.25
11	3	Yevgeniy Ryzhkov (KAZ)	1:06.31
11	1	Son Sung-uk (KOR)	1:06.31
13	2	Ryu Seung-hyun (KOR)	1:06.44
14	1	Trần Xuân Hiền (VIE)	1:08.05
15	2	Wael Ghassan (QAT)	1:09.90
16	1	Ma Chan Wai (MAC)	1:10.08
17	3	Niaz Ali (BAN)	1:11.27
18	1	Omar Daaboul (LIB)	1:14.48
19	3	Alice Shrestha (NEP)	1:14.54
20	1	Alaa Feshtok (QAT)	1:15.50
21	2	Ganboldyn Urnultsaikhan (MGL)	1:16.14
22	3	Wasseim Surey (PLE)	1:16.40
23	2	Khurleegiin Enkhmandakh (MGL)	1:16.69
24	1	Imran Abdul Rahman (MDV)	1:31.64

Final B

Rank	Athlete	Time	Notes
1	Raphael Matthew Chua (PHI)	1:06.11
2	Yevgeniy Ryzhkov (KAZ)	1:06.24
3	Son Sung-uk (KOR)	1:06.33
4	Ahmed Al-Kudmani (KSA)	1:06.41
5	Ryu Seung-hyun (KOR)	1:06.54
6	Trần Xuân Hiền (VIE)	1:07.16
7	Ma Chan Wai (MAC)	1:08.79
8	Wael Ghassan (QAT)	1:10.30

Final A

Rank	Athlete	Time	Notes
	Kosuke Kitajima (JPN)	1:00.45	GR
	Zeng Qiliang (CHN)	1:03.04
	Yoshihisa Yamaguchi (JPN)	1:03.22
4	Yang Shang-hsuan (TPE)	1:04.09
5	Elvin Chia (MAS)	1:04.22
6	Cheng Hao (CHN)	1:04.52
7	Tam Chi Kin (HKG)	1:05.55
—	Chen Cho-yi (TPE)	DSQ

• 2002 Asian Games Report, Pages 186–187
• Results