Guyana at the 2016 Summer Olympics

Athletics

400 metres, Men Winston George 5 h6 r1/3
Triple Jump, Men Troy Doris 7
100 metres, Women Brenessa Thompson 7 h2 r2/4
200 metres, Women Brenessa Thompson 7 h8 r1/3
400 metres, Women Aliyah Abrams 5 h8 r1/3

Swimming

100 metres Butterfly, Men Hannibal Gaskin 42
50 metres Freestyle, Women Jamila Sanmoogan 63