Mahon is a surname. Notable people with the surname include:Alan Mahon, Judge of the (Irish) Court of Appeal, formerly Chair of the Mahon Tribunal Alan Mahon, Irish footballer Alex Mahon, British broadcaster, CEO of Channel 4 Alice Mahon (1937–2022), English trade unionist and Labour Party politician Barry Mahon (1921–1999), American film director dan producer Brendan Mahon, American football player Carl Mahon, American actor Major Denis Mahon, assassinated in 1847 on or near his estate in County Roscommon, Ireland Sir Denis Mahon (1910–2011), British collector and historian of Italian art Dennis Mahon, American terrorist Derek Mahon (1941–2020), Northern Irish poet Gavin Mahon, professional English football player George H. Mahon (1900–1985), American politician Hugh Mahon (1857–1931), Irish-born Australian politician Jack Mahon, several people James Mahon, several people John Mahon, several people Lauren Mahon, British activist Mark Mahon, several people Patrick Mahon, convicted of the 1924 Crumbles murders Pete Mahon, Irish football manager Peter Mahon (lawyer) (1923–1986), New Zealand barrister Peter Mahon (1909–1980), British Labour Party Member of Parliament Sam Mahon, New Zealander author Sean Mahon, Irish stage actor Simon Mahon (1914–1986), British Labour Party politician Thomas J. Mahon (1882–1927) American politician and jurist Tina Mahon, British actress William Mahon, several people