John Maher may refer to: * John A. Maher, American politician * John C. Maher (born 1951), Irish-British linguist * John Maher (Buzzcocks drummer) (born 1960), car specialist and former drummer of The Buzzcocks * John Maher (Delancey Street) (1940–1988), founder of the Delancey Street Foundation * John Maher (Kilkenny hurler) (born 1977), Irish hurler * John Maher (Tipperary hurler) (1908–1980), Irish hurler * John W. Maher (1866–1917), American politician and veterinarian * Johnny Marr (born 1963), English guitarist, born John Martin Maher