400 m Individual Medley, Women

Competition	2012 Southeast Asian Swimming Championships
Venue	Singapore SGP
Held	—
Status	Medal
Competitors	3
Countries	3

Pos	Athlete(s)	Country	Mark
🥇	Nguyễn Thị Ánh Viên	VIE	4:50.27
🥈	Erika Kong	MAS	4:59.19
🥉	Ressa Dewi	INA	5:02.06