Belgium competed at the 1948 Summer Olympics in London, England.

152 competitors, 132 men and 20 women, took part in 77 events in 17 sports.

[2] Twelve cyclists, all men, represented Belgium in 1948.

18 fencers, 15 men and 3 women, represented Belgium in 1948.

Belgium had four male rowers participate in two out of seven rowing events in 1948.