Results for Ireland in 100 metres Freestyle, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1928 Summer Olympics	Billy Broderick	DNS
	Paddy McClure	DNS
1948 Summer Olympics	Ernest McCartney	DNS
	Paddy Kavanagh	DNS
	Stuart Kramm	DNS
1968 Summer Olympics	Donnacha O'Dea	55
1972 Summer Olympics	Andrew Hunter	37
1980 Summer Olympics	David Cummins	DNS
1996 Summer Olympics	Earl McCarthy	27
2016 Summer Olympics	Shane Ryan	40