Results for Ireland in 400 metres Hurdles, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1932 Summer Olympics	Bob Tisdall	1	Gold
1996 Summer Olympics	Tom McGuirk	5 h6 r1/3
2000 Summer Olympics	Tom McGuirk	7 h4 r1/3
2016 Summer Olympics	Thomas Barr	4
2020 Summer Olympics	Thomas Barr	4 h1 r2/3