The men's tandem was a cycling event at the 1968 Summer Olympics in Mexico City, Mexico, held on 20 to 21 October 1968.

There were 28 participants from 14 nations.

[1] This tandem bicycle competition involved a series of head-to-head matches.

The 1968 competition involved six rounds: four main rounds (first round, quarterfinals, semifinals, and finals) as well as a two-round repechage after the first round.

[2]