Czechoslovakia competed at the 1948 Summer Olympics in London, England. Eighty-seven competitors, 73 men and 14 women, took part in 55 events in 11 sports.
Twenty-six-year-old Emil Zátopek won the gold medal in the 10-kilometre run on the first day (his third race at that distance). On the second day he added a silver medal in the 5 km run. Czechoslovak canoeists were also very successful (gaining three gold and one silver medal), Jan Brzák-Felix successfully defended his medal that he had won 12 years earlier in 1936 Summer Olympics with another partner, Václav Havel and Jià ÂàPecka won a silver medal using a 12-year-old boat from the 1936 Olympics. Boxer Július Torma won the gold medal in the Welterweight class, although he had injured his left arm before the semi-final. Women's gymnastics team also secured gold medals, but this victory was overshadowed by the death of their teammate Elià ¡ka Misáková, who succumbed to polio in London.
Five fencers, all men, represented Czechoslovakia in 1948.
The following athletes took part.
Two male pentathletes represented Czechoslovakia in 1948.
Czechoslovakia had four male rowers participate in one out of seven rowing events in 1948.
<small>*Rank given is within the heat.</small>