Clarence Lamar McHan (December 16, 1932 – November 23, 1998) was an American professional football quarterback in the National Football League. McHan played football collegiately at the University of Arkansas. He was ninth in the 1953 Heisman Trophy balloting. He was born in Lake Village, Arkansas.
McHan played for the Green Bay Packers from 1959 to 1960. During the 1959 season, McHan was pulled as the starting quarterback by first-year coach Vince Lombardi due to knee injury. Hall-of-Fame quarterback Bart Starr would be his replacement. McHan went on to play for the Baltimore Colts and San Francisco 49ers and he played briefly with the Toronto Argonauts of the Canadian Football League in 1965.
After retiring from football McHan became an assistant coach at Northern Arizona University, and at the University of Texas at Arlington. He later finished out his coaching career with the New Orleans Saints from 1974 to 1984. He died in New Orleans, Louisiana of a heart attack in 1998.