George McMahon

George McMahon may refer to:
 * George McMahon (actor) (born 1985), Irish actor
 * George McMahon (failed assassin) (died 1970), journalist and attempted assassin
 * George McMahon (activist) (born 1950), patient in the Compassionate Investigational New Drug program
 * George McMahon (politician) (1929–2019), Canadian politician in Prince Edward Island
 * George L. McMahon (1904–1978), Canadian business and sports executive