Results for Ireland in 100 metres Butterfly, Women

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1968 Summer Olympics	Vivienne Smith	21
1972 Summer Olympics	Brenda McGrory	21
1976 Summer Olympics	Miriam Hopkins	DNS
1984 Summer Olympics	Julie Parkes	27
1996 Summer Olympics	Marion Madine	32
2020 Summer Olympics	Ellen Walshe	24
2024 Summer Olympics	Ellen Walshe	22