Justin Falk (born October 11, 1988) is a Canadian professional ice hockey defenceman who is currently an unrestricted free agent.
He most recently played with the Belleville Senators in the American Hockey League (AHL) while under contract to the Ottawa Senators in the National Hockey League (NHL).
He made his NHL debut in the 2009–10 season with the Minnesota Wild, and has since played for the New York Rangers, Columbus Blue Jackets, and Buffalo Sabres.