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

118 competitors, 100 men and 18 women, took part in 80 events in 13 sports.

Women's 100 metres Women's 200 metres Women's high jump Women's long jump Women's 4 × 100 m relay Men's flyweight (– 51 kg) Men's bantamweight (– 54 kg) Men's featherweight (– 57 kg) Men's lightweight (– 60 kg) Men's welterweight (– 69 kg) Men's middleweight (– 75 kg) Men's Heavyweight (– 91 kg) Six cyclists, all men, represented Canada in 1948.

Men's 3m springboard Men's 10m platform Six fencers, four men and two women, represented Canada in 1948.

Canada had eleven male rowers participate in two out of seven rowing events in 1948.