Results for Puerto Rico in 400 metres, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1952 Summer Olympics	Frank Rivera	3 h11 r1/4
1956 Summer Olympics	Iván Rodríguez	6 h1 r3/4
1960 Summer Olympics	Germán Guenard	5 h2 r2/4
	Iván Rodríguez	5 h6 r1/4
1972 Summer Olympics	Pedro Ferrer	6 h4 r1/4
1976 Summer Olympics	Iván Mangual	7 h2 r2/4
2008 Summer Olympics	Félix Martínez	7 h6 r1/3