Mahon is a surname. Notable people with the surname include:
- Alan Mahon (b. 1951), Judge of the (Irish) Court of Appeal, formerly Chair of the Mahon Tribunal
- Alan Mahon (b. 1978), Irish footballer
- Alex Mahon (b. 1973), British broadcaster, CEO of Channel 4
- Alice Mahon (1937–2022), English trade unionist and Labour Party politician
- Barry Mahon,
- Brendan Mahon (b. 1995), American football player
- Carl Mahon,
- Major Denis Mahon (British Army officer), 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,
- Derek Mahon (1941–2020), Northern Irish poet
- Gavin Mahon (b. 1977), 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,
- Mark Mahon, several people
- Patrick Mahon, convicted of the 1924 Crumbles murders
- Pete Mahon (b. 1947), Irish football manager
- Peter Mahon (lawyer) (1923–1986), New Zealand barrister
- Peter Mahon (UK politician) (1909–1980), British Labour Party Member of Parliament
- Sam Mahon,
- Sean Mahon,
- Simon Mahon (1914–1986), British Labour Party politician
- Thomas J. Mahon (1882–1927) American politician and jurist
- Tina Mahon,
- William Mahon, several people
This page lists people with the surname Mahon.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.