Michael Edward McMahon (born February 8, 1979) is a former American football quarterback who played for five seasons in the National Football League (NFL), mostly serving in a back up quarterback role.
He spent one season in the Canadian Football League (CFL), and one season in the United Football League (UFL).
After playing college football for Rutgers, he was drafted by the Detroit Lions in the fifth round of the 2001 NFL Draft.
He played for the Lions for four seasons from 2001 to 2004, and for the Philadelphia Eagles in 2005.
McMahon played for the Toronto Argonauts and Montreal Alouettes of the CFL in 2007.
He signed with the California Redwoods of the UFL in 2009 and played for the Virginia Destroyers from 2011 to 2012.
He last played for the Uppsala 86ers of the Swedish Superseries in 2013.