Kirill Leonidovich Knyazev (Russian: Кирилл Леонидович Князев; born June 9, 1983) is a Russian former professional ice hockey player.

He last currently played for Izhstal Izhevsk in the Supreme Hockey League (VHL).

He is a veteran of 331 games in the Kontinental Hockey League (KHL) spanning 7 clubs.

He briefly served as Sports Manager for Metallurg Novokuznetsk between February 14th, 2020 and March 30th, 2020.

This biographical article relating to a Russian ice hockey winger is a stub.