Guyana at the 2012 Summer Olympics

Athletics

100 metres, Men Jeremy Bascom 6 h6 r2/4
400 metres, Men Winston George 5 h6 r1/3
400 metres, Women Aliann Pompey 8 h2 r2/3

Judo

Extra-Lightweight, Men Raúl Lall =17

Swimming

100 metres Freestyle, Men Niall Roberts 48
100 metres Freestyle, Women Britany van Lange 42