The men's tandem cycling event at the 1948 Summer Olympics took place between 7 and 11 August and was one of six events at the 1948 Olympics.

The losing pairs competed in the repechage round.

The winners from each plus the fastest losing team advanced to the quarterfinals.

The winners from each heat competed for the gold medal.

Italy won the gold medal series against the British team 2–1, while France took home the bronze against Switzerland by winning their series 2–0.