The men's keirin competition at the 2020 UEC European Track Championships was held on 14 November 2020.

[1] The first two riders in each heat qualified to the semifinals, all other riders advanced to the first round repechages.

[2]

The first three riders in each heat qualified to the semifinals.

The first three riders in each heat qualified to final 1–6, all other riders advanced to final 7–12.