Saint Lucia competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016. This was the nation's sixth consecutive appearance at the Summer Olympics. Saint Lucia Olympic Committee sent a team of five athletes, two men and three women, to compete only in sailing, swimming, and track and field at the Games, matching the nation's roster size with Sydney 2000 and beating the record by a single athlete set in both Beijing 2008 and London 2012. Two Saint Lucian athletes were awarded universality places to compete in their respective sporting events, while the rest of the team qualified directly for the Games on merit.