Guam competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from August 5 to 21, 2016.

Guam National Olympic Committee sent the territory's smallest delegation to the Games since 2004.

[2] Three of them made their Olympic debut in Rio de Janeiro, with swimmers Pilar Shimizu and Benjamin Schulte, who led the squad as Guam's flag bearer in the opening ceremony, returning for their second appearance from London 2012.

Now officially recognized, Guam was able to send athletes to train in Australia and the United States, and had funding to improve its sports programs.

[3] Starting with the 1996 Olympic Games in Atlanta, Guam began sending fewer athletes.

[3] Guam received universality slots from IAAF to send two athletes (one male and one female) to the Olympics.

He decided to cheer on the cyclists still in the race, which drew attention and was well received by the crowd.

[14] Guam received a universality invitation from FINA to send two swimmers (one male and one female) to the Olympics.

[20] Benjamin Schulte, the flagbearer for the opening and closing ceremonies, swam in the 100 m breaststroke.

[22] Qualifiers for the latter rounds of all swimming events were decided on a time only basis, therefore positions shown are overall results versus competitors in all heats.