Colombia competed at the 1968 Summer Olympics in Mexico City, Mexico.

43 competitors, 38 men and 5 women, took part in 33 events in 5 sports.

[2] They did not win any medals.

Men's 100 metres Men's 200 metres Men's 400 metres Men's 10,000 metres Men's 10,000 metres Men's 110 metres hurdles Ten cyclists represented Colombia in 1968.

Men's 3 metre springboard Women's 3 metre springboard Men's 10 metre platform Men's team competition Men's 100 metres freestyle Women's 100 metres freestyle Men's 200 metres freestyle Women's 200 metres freestyle Men's 400 metres freestyle Women's 400 metres freestyle Women's 800 metres freestyle Men's 1500 metres freestyle Men's 100 metres breaststroke Men's 200 metres breaststroke Men's 100 metres butterfly Women's 100 metres butterfly Men's 200 metres butterfly Women's 200 metres butterfly Women's 200 metres individual medley Men's 400 metres individual medley Women's 400 metres individual medley Men's 4x100 metres freestyle relay Men's 4x200 metres freestyle relay