Great Britain at the 1948 Summer Olympics
Great Britain, represented by the British Olympic Association, competed as the host nation for the 1948 Summer Olympics in London. It was the second time that the United Kingdom had hosted the Summer Olympic Games, equalling the record of France and the United States to that point. British athletes have competed in every Summer Olympic Games. 404 competitors, 335 men and 68 women, took part in 139 events in 21 sports.
Medallists
| Sport | Total | |||
| Rowing | 2 | 1 | 0 | 3 |
| Sailing | 1 | 0 | 0 | 1 |
| Athletics | 0 | 6 | 1 | 7 |
| Cycling | 0 | 3 | 2 | 5 |
| Boxing | 0 | 2 | 0 | 2 |
| Weightlifting | 0 | 1 | 1 | 2 |
| Field hockey | 0 | 1 | 0 | 1 |
| Equestrian | 0 | 0 | 1 | 1 |
| Swimming | 0 | 0 | 1 | 1 |
| Art competitions | 0 | 0 | 1 | 1 |
| Total | 3 | 14 | 7 | 24 |
Athletics
;Track & road events;Men
;Women
;Field events
;Men
;Women
Basketball
;Team roster- Preliminary Round
- '''Classification Matches'''
Cycling
Ten cyclists, all men, represented Great Britain in 1948.Track
;Time trial| Athlete | Event | Time | Rank |
| Tommy Godwin | Time trial | 1:15.0 |
;Sprint, tandem and pursuit
Diving
;Men| Athlete | Event | Points | Rank |
| Peter J. Elliott | 3 m springboard | 91.23 | 23 |
| Peter Heatly | 3 m springboard | 111.73 | 13 |
| Charles Johnson | 3 m springboard | 105.32 | 18 |
| Peter Heatly | 10 m platform | 105.29 | 5 |
| Louis Marchant | 10 m platform | 96.11 | 11 |
| Gordon Ward | 10 m platform | 88.96 | 18 |
;Women
| Athlete | Event | Points | Rank |
| Edna Child | 3 m springboard | 91.63 | 6 |
| Kay Cuthbert | 3 m springboard | 72.40 | 14 |
| Esme Harris | 3 m springboard | 74.10 | 13 |
| Margaret Bisbrown | 10 m platform | 53.95 | 10 |
| Maire Hider | 10 m platform | 52.31 | 12 |
| Denise Newman | 10 m platform | 53.50 | 11 |
Fencing
19 fencers, 16 men and 3 women, represented Great Britain in 1948.;Men
;Women
Football
;SummaryGymnastics
The British Gymnastics team competed in nine events and was made up of 16 gymnasts,,including Frank Turner and George Weedon.
Hockey
;Summary;Team roster
;Group stage
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;Semifinals
;Gold medal match
Modern pentathlon
Three male pentathletes represented Great Britain in 1948.Rowing
Great Britain had 26 male rowers participate in all seven rowing events in 1948.Shooting
Twelve shooters represented Great Britain in 1948.Swimming
;Men;Women
Water polo
;SummaryWrestling
At the end of the match, all wrestlers were given "bad points", according to the results of their bouts. The loser received 3 points if the loss was by fall or unanimous decision and 2 points if the decision was 2–1. The winner received 1 point if the win was by decision and 0 points if the win was by fall. At the end of each round, any wrestler with at least 5 points was eliminated.Art competitions
85 art competitors, 65 men and 20 women, represented Great Britain in 1948.;Mixed Architecture, Architectural Designs