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

186 competitors, 178 men and 8 women, took part in 98 events in 19 sports.

[1] Eleven cyclists, all male, represented Switzerland in 1948.

Switzerland had 19 male rowers participate in five out of seven rowing events in 1948.

Emil Grünig won gold in the 300 metre rifle and Rudolf Schnyder won silver in the 50 metre pistol.