The men's keirin competition at the 2018 UCI Track Cycling World Championships was held on 1 March 2018 at the Omnisport Apeldoorn in Apeldoorn, Netherlands.

[1][2] The first rider in each heat qualified to the second round, all other riders advanced to the first round repechages.

The winner of each heat qualified to the second round.

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

[5] The finals were started at 20:39.