Mahoney is a surname originally designating the descandants of Mathghamhain. Notable people with the surname include:
Alexander Mahoney (1947– ), New Zealand cricketerAndries Mahoney (1985– ), South African rugby union playerAnn Mahoney (1976–), American television, film, and stage actressAtholstan Mahoney (1908–1979), New Zealand rugby union playerBalls Mahoney (1972–2016), American professional wrestlerBernard Joseph Mahoney (1875–1939), Roman Catholic Bishop of Sioux FallsBob Mahoney (1928–2000), American Major League Baseball pitcherBrian Mahoney (disambiguation), multiple peopleBryan Mahoney (disambiguation), multiple peopleCarolyn Mahoney (1946– ), American mathematicianCharles Mahoney (1640–1679), Irish Friar Minor and Catholic martyrCharles Mahoney (1903–1968), English artistChris Mahoney (disambiguation), multiple people named Chris or ChristopherConnor Mahoney (1997– ), English professional footballerCynthia L. MahoneyDan Mahoney (disambiguation), multiple peopleDaniel Mahoney (disambiguation), multiple peopleDave Mahoney (1892–1947), Australian rules footballerDavid Mahoney (1981– ), American soccer goalkeeperDavid Mahoney (1987– ), British producer and performerDavid J. Mahoney (1923–2000), American business leader, philanthropist and authorDennis Mahony (1821–1879), American newspaper editorEdward Joseph Mahoney (1949– ), American singer, songwriter and multi-instrumentalistErnestine Mahoney (1910–2000), American actress and photographerFlorence Mahoney (1929– ), Gambian Creole authorFrancis Mahoney (1927–2008), American basketball playerFrancis J. Mahoney (1897–1956), New York politicianFrank Mahoney (disambiguation), multiple peopleGeorge Mahoney, American Medal of Honor recipientGeorge E. Mahoney (1867–1955), Wisconsin politicianGeorge P. MahoneyGerald Mahoney (1892–1955), Australian politicianIke Mahoney (1901-1961), American football playerJack Mahoney (disambiguation), multiple peopleJames E. Mahoney (1858–1926), American officerJames Patrick Mahoney (1927–1995), Canadian Catholic bishopJames Patrick Mahoney (New York) (1925–2002), American Catholic bishopJanet Mahoney, English actressJanet Claire Mahoney, (1953– ), Australian actressJeremiah Mahoney (1840–1902), American Medal of Honor recipientJerry Mahoney (disambiguation), multiple peopleJim MahoneyJim Mahoney (umpire)Joan Mahoney (1943– ), American legal scholarJoanie Mahoney (1965– ), American politicianJock Mahoney, American actorJoe Mahoney (1987– ), professional baseball first basemanJohn Mahoney (disambiguation), multiple peopleJoseph Mahoney, Welsh professional rugby league footballerJosh Mahoney (1977– ), professional Australian rules footballerJulie Mahoney (1978– ), Canadian fencerKen Mahoney (1965– ), American financial adviserKevin Mahoney (1965–2011), American singerLiam Mahoney (1987– ), professional Canadian football wide receiverLorelei Mahoney (1984– ), American musician and actressLoren Mahoney (1992– ), Australian association football playerLouis MahoneyMaggie Mahoney (1922–2011), American film actressMarie MahoneyMark Mahoney, American tattoo artistMartin Mahoney (1915–1969), American justice of the peaceMary Eliza MahoneyMatthew Mahoney (disambiguation), multiple peopleMaureen MahoneyMegan Mahoney (1983– ), American professional basketball playerMichael Mahoney (disambiguation), several people named Michael or MikeNeil Mahoney (1906–1973), American professional baseball scoutPatrick MahoneyPatrick Morgan Mahoney (1929–2012), Canadian judge, politician, lawyer and businessmanPaul Mahoney (disambiguation), multiple peoplePeter P. Mahoney (1848–1889), U.S. Representative from New YorkRebecca Hull (née Mahoney), (1985– ), New Zealand rugby union playerRichard Mahoney (disambiguation), multiple peopleRosemary Mahoney (1961– ), American non-fiction writerStephen Mahoney, American football player and coachSteve Mahoney, Canadian politicianSuzanne Somers (née Mahoney), American actorThomas Mahoney (disambiguation), multiple peopleTim Mahoney (disambiguation), several people named Tim or TimothyTony Mahoney (1959– ), English professional football strikerTravis Mahoney (1990– ), Australian medley and backstroke swimmerVictoria Mahoney, American filmmaker and actressWalter J. Mahoney (1908–1982), New York politicianWill Mahoney (1894-1967), American-born vaudevillian performer and stage actorWilliam Mahoney (disambiguation), several peopleWillis Mahoney (1895–1968), American politicianFictional characters:
Breathless Mahoney of Dick TracyCarey Mahoney of Police AcademyDetective MahoneyMrs. Mahoney of Kim Possible