Results for Ireland in 400 metres Freestyle, Women

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1928 Summer Olympics	Marguerite Dockrell	DNS
1984 Summer Olympics	Carol-Ann Heavey	22
1996 Summer Olympics	Michelle Smith	1	Gold
2000 Summer Olympics	Chantal Gibney	34
2012 Summer Olympics	Gráinne Murphy	31