Trinidad and Tobago competed at the 1968 Summer Olympics in Mexico City, Mexico.

19 competitors, all men, took part in 14 events in 5 sports.

[1] Men's 100 metres Men's 200 metres Men's 400 metres Men's 800 metres Men's 4x100 metres relay Men's 4x400 metres relay Men's 1.000m Time Trial Men's Sprint Men's Individual Pursuit Men's Team Pursuit Two male shooters represented Trinidad and Tobago in 1968.

Men's 100 metres freestyle Men's 100 metres backstroke Men's 100 metres butterfly Lightweight