Michael Clemente (August 29, 1908 – December 1987), (also known as Mike Costello or Big Mike), was a New York mobster in the Genovese crime family who became a major force in controlling the East River waterfront of Manhattan from the 1940s to 1979. His principal territory was between piers 36 and 42. In 1943, Clemente, who was a Caporegime of Joseph Lanza, took over his boss's waterfront rackets at the Fulton Fish Market on the East River when "Socks" Lanza went to prison for 7½ years for extortion.