Kirill Leonidovich Knyazev (; 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.