Results for Trinidad and Tobago in 400 metres, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1956 Summer Olympics	Mike Agostini	DNS
	Joe Goddard	DNS
	Edmund Turton	DNS
1964 Summer Olympics	Wendell Mottley	2	Silver
	Edwin Skinner	8
	Kent Bernard	7 h2 r3/4
1968 Summer Olympics	George Simon	5 h8 r1/4
1972 Summer Olympics	Charles Joseph	5 h1 r2/4
	Arthur Cooper	7 h2 r2/4
1976 Summer Olympics	Mike Solomon	7 h2 r3/4
	Charles Joseph	8 h2 r2/4
1980 Summer Olympics	Mike Solomon	6
	Joseph Coombs	8
1984 Summer Olympics	Mike Paul	6 h1 r3/4
	Anton Skerritt	8 h2 r2/4
	Ali St. Louis	AC h8 r1/4
1988 Summer Olympics	Ian Morris	7
	Patrick Delice	7 h4 r2/4
1992 Summer Olympics	Ian Morris	4
	Alvin Daniel	7 h2 r2/4
	Patrick Delice	4 h4 r1/4
1996 Summer Olympics	Neil de Silva	8 h2 r3/4
	Robert Guy	6 h7 r1/4
2000 Summer Olympics	Neil de Silva	4 h2 r1/4
	Ato Modibo	6 h4 r1/4
2004 Summer Olympics	Ato Modibo	4 h3 r1/3
2008 Summer Olympics	Renny Quow	7
	Ato Modibo	5 h5 r1/3
2012 Summer Olympics	Lalonde Gordon	3	Bronze
	Deon Lendore	5 h2 r1/3
	Renny Quow	DNS
2016 Summer Olympics	Machel Cedenio	4
	Lalonde Gordon	8 h1 r2/3
	Deon Lendore	6 h5 r1/3
2020 Summer Olympics	Deon Lendore	4 h1 r2/3
	Machel Cedenio	6 h2 r2/3
	Dwight St. Hillaire	7 h3 r2/3
2024 Summer Olympics	Jereem Richards	4