Guyana at the 1948 Summer Olympics

Athletics

100 metres, Men Charles Thompson 5 h11 r1/4
Long Jump, Men Charles Thompson 19 r1/2
Triple Jump, Men Charles Thompson DNS

Cycling Road

Road Race, Individual, Men Laddie Lewis DNF

Cycling Track

Sprint, Men Laddie Lewis 3 h5 r2/6
1,000 metres Time Trial, Men Laddie Lewis 21

Weightlifting

Featherweight, Men Alphonso Correia 18
Middleweight, Men Orlando Chaves 21