Eighteen competitors, seventeen men and one woman, took part in eighteen events in six sports.

Costa Rica did not win any medals at the 1968 Games.

[2] Women's 400 metres Men's 5000 metres Men's 10,000 metres Men's marathon Women's high jump Women's long jump Women's pentathlon Light welterweight (63.5 kg) Light middleweight (71 kg) Five cyclists represented Costa Rica in 1968.

Five shooters, all men, represented Costa Rica in 1968.

Men's 100 metres freestyle Men's 200 metres freestyle Middleweight Light heavyweight Middle heavyweight