The 2019 Gagarin Cup playoffs of the Kontinental Hockey League (KHL) began on 25 February 2019, with the top eight teams from each of the conferences, following the conclusion of the 2018–19 KHL regular season. The playoffs ended on 19 April 2019, when Continental Cup winners CSKA Moscow became the first team to win the Gagarin Cup finals in a series sweep, defeating Avangard Omsk in four games to win their first Gagarin Cup, after two previous Finals defeats.