Swimming at the 2009 SEA Games – Women's 100 metre breaststroke

Main article: Swimming at the 2009 SEA Games

The Women's 100 Breaststroke swimming event at the 2009 SEA Games was held on December 11, 2009.

Results

Final

Place	Lane	Swimmer	Nation	Time	Notes
1	4	Yi Ting Siow	Malaysia	1:09.82	GR, NR
2	5	Roanne Ho	Singapore	1:12.54
3	8	Erika Kong	Malaysia	1:13.18
4	7	Thi Hue Pham	Vietnam	1:13.49
5	1	Cheryl Lim	Singapore	1:13.60
6	2	Phiangkhwan P	Thailand	1:13.88
7	3	Panward Jitpairoj	Thailand	1:14.39
8	6	Afi Noviandri	Indonesia	1:14.50

Preliminary heats

Rank	Heat/Lane	Swimmer	Nation	Time	Notes
1	H1 L4	Yi Ting Siow	Malaysia	1:11.70	Q
2	H1 L4	Roanne Ho	Singapore	1:13.18	Q
3	H2 L2	Panward Jitpairoj	Thailand	1:14.35	Q
4	H2 L6	Afi Noviandri	Indonesia	1:14.37	Q
5	H1 L2	Phiangkhwan P	Thailand	1:14.52	Q
6	H2 L5	Thi Hue Pham	Vietnam	1:14.83	Q
7	H1 L3	Cheryl Lim	Singapore	1:14.86	Q
8	H1 L5	Erika Kong	Malaysia	1:15.04	Q
9	H2 L6	Thi Thuan Tran	Vietnam	1:15.71
10	H2 L3	KP Margaretha	Indonesia	1:16.30
11	H2 L7	Hem Thon Vitiny	Cambodia	1:29.17
12	H1 L1	T Thepaksone	Laos	1:38.51
13	H2 L1	C Chansamone	Laos	1:41.28
14	H1 L7	Yin Davin	Cambodia	1:44.78