Yaroslav Kosov (born July 5, 1993) is a Russian professional ice hockey player. He is currently playing with Metallurg Magnitogorsk in the Kontinental Hockey League. Kosov was selected by the Florida Panthers in the 5th round (124th overall) of the 2011 NHL Entry Draft. Kosov was also drafted by Metallurg Magnitogorsk who selected him in the 3rd round (70th overall) of the 2010 KHL Junior Draft.