Venezuela competed in the 1948 Summer Olympic Games held in London, United Kingdom. The country's first appearance at the Games, it sent one athlete, the cyclist Julio César León, and won no medals. León faced several difficulties before he could compete in the Games, receiving no support from the Venezuelan Olympic Committee until his arrival in London. He competed in two track cycling events, placing joint-ninth in the Sprint and 14th in the Time trial.

The men's sprint cycling event at the 1948 Summer Olympics took place between 7 and 9 August and was one of six events at the 1948 Olympics. There were 23 cyclists from 23 nations, with each nation limited to one competitor. The event was won by Mario Ghella of Italy, the nation's first victory in the men's sprint. Reg Harris of Great Britain, heavily favored coming into the event, finished with silver, the first medal for a British cyclist in the sprint since 1920. Axel Schandorff's bronze was Denmark's first medal in the event since 1928. The podium streaks of the Netherlands and France both ended, with neither nation's cyclist able to advance to the quarterfinals.