Belize competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from 8 to 24 August 2008.

The Belizean delegation in 2008 included four athletes: three participated in track and field events (Jonathan Williams, Tricia Flores, and Jayson Jones) and one in taekwondo (Alfonso Martínez).

[1] Jonathan Williams, Belize's flag bearer in Beijing, was the first Belizean Olympian to advance past a preliminary round.

[6] Former UCLA student Jonathan Williams took advantage of his parents' Belizean citizenship to qualify on behalf of Belize's Olympic team.

[7] Taking part in the men's 400 meters hurdles dash, his participation in Beijing marked his first Olympic appearance.

[4] Williams participated in Heat 2 of the semifinal round on 16 August, facing athletes that included American Kerron Clement and Jamaican Danny Mcfarlane.

[10] Flores participated in the first qualifying heat on 18 August, where she competed against 21 athletes that included Brazil's Maurren Higa Magi, the United States' Grace Upshaw, and Sweden's Carolina Klüft.

[11] Taiwan-based athlete[12] Alfonso Martinez was the sole representative of Belize in taekwondo, and in any sport other than a track and field event, at the Beijing Olympics.