Thomas McMahon

Thomas McMahon may refer to:

Thomas McMahon (Irish republican) (born 1948), IRA member
Thomas McMahon (bishop) (born 1936), Roman Catholic bishop of Brentwood
Thomas A. McMahon (1943–1999), novelist and professor of applied mechanics and biology at Harvard University
Thomas John McMahon (1864–1933), Australian photojournalist
Thomas J. McMahon (1948–1969), American soldier and Medal of Honor recipient
Sir Thomas McMahon, 2nd Baronet (1779–1860), commander-in-chief of Bombay, 1840–1847
Sir Thomas Westropp McMahon, 3rd Baronet (1813–1892), British Army officer
Tom McMahon (Democratic operative), executive director of the Democratic National Committee
Tom McMahon (mayor), American politician and former mayor of Reading, Pennsylvania
Tom McMahon (footballer, born 1907) (1907–1975), Australian footballer for South Melbourne and Melbourne
Tom McMahon (footballer, born 1918) (1918–2005), Australian footballer for Footscray
Tom McMahon (American football) (born 1969), American football coach