Pat, Paddy or Patrick McMahon or MacMahon or Mac Mahon may refer to:
Pat McMahon (actor) (born 1935), American television actor and broadcaster Pat McMahon (athlete) (born 1942), Irish long-distance runner Pat McMahon (baseball) (born 1953), former head baseball coach of the Mississippi State Bulldogs and the Florida Gators Pat McMahon (footballer, born 1908) (1908–1992), Scottish football goalkeeper Pat McMahon (footballer, born 1945), Scottish football player Pat McMahon (politician) (d. 2008), Canadian politician Pat McMahon (soccer, born 1986), American soccer player Pat McMahon (rugby league) (born 1927), Australian professional rugby league footballer Paddy McMahon (equestrian) (1933–2021), show jumper Paddy McMahon (hurler), Irish hurler Patrick MacMahon (bishop) (died c. 1572 or c. 1575), 16th-century bishop of Ardagh in Ireland Patrick McMahon, film editor of Teeny Little Super Guy Patrick McMahon (MP) (1813–1875), British Member of Parliament for New Ross and County Wexford Patrick J. McMahon or P. J. McMahon (1888–1939), American politician from Nebraska
See also Patrice de MacMahon, Duke of Magenta (1808–1893), French general and politician