Callaghan

Callaghan most commonly refers to O'Callaghan, an Anglicized Irish surname.

Callaghan may also refer to:

People

 * Aaron Callaghan (born 1966), Irish footballer with Crewe Alexandra and Crusaders
 * Sir Alfred John Callaghan (1865–1940), Irish politician and barrister
 * Alice Callaghan (born 1947), Canadian Catholic nun and Episcopalian priest
 * Aloysius R. Callaghan (born 1946), American Roman Catholic priest
 * Amanda Callaghan ( from 1989), British entomologist
 * Amy Callaghan (born 1992), British Member of Parliament for Scottish National Party, elected 2019
 * Andrew Callaghan (born 1997), American journalist
 * Audrey Callaghan (1915–2005), English dietician
 * Ayden Callaghan (born 1981), English actor
 * Barry Callaghan (born 1937), Canadian author
 * Barry Callaghan (footballer) (born 1986), Scottish footballer with Queen of the South
 * Sir Bede Callaghan (1912–1993), Australian banker and university administrator
 * Sir Bill Callaghan (born 1948), British trade unionist
 * B. J. Callaghan (born 1981) American soccer coach
 * Brendan Callaghan (born 1948), British psychologist of religion
 * Bryan Callaghan Jr. (1852–1912), mayor of San Antonio, Texas
 * Catherine Callaghan (1931–2019), American linguist
 * Cecil Callaghan (1890–1967), Australian Army officer
 * Cindy Callaghan (born c. 1976), American author of children's books
 * Colleen Callaghan (1931–2020), American hair stylist
 * Craig Callaghan (born 1976), Australian Rules footballer with Fremantle and St Kilda
 * Daniel Callaghan (disambiguation), several people
 * David Callaghan (disambiguation), several people
 * Duke Callaghan (1914–2002), American cinematographer
 * Eamonn Callaghan, Irish Gaelic footballer
 * Elizabeth Callaghan (1802–1852), Irish convict, early settler of Australia
 * Emma Callaghan (1884–1979), Australian Aboriginal midwife and activist
 * Ernie Callaghan (1910–1972), English footballer with Aston Villa
 * Finn Callaghan (born 2003), Australian Rules footballer with Greater Western Sydney Giants
 * Frank Callaghan (1891–1980), New Zealand agricultural instructor and scientific administrator
 * Fred Callaghan (1944–2022), English footballer with Fulham, manager with Brentford
 * Sir George Callaghan (1852–1920), British officer in the Royal Navy
 * Georgina Callaghan ( from 2005), English singer and songwriter, performs under the name Callaghan
 * Guy Callaghan (born 1970), butterfly swimmer from New Zealand
 * Helen Callaghan (1923–1992), Canadian baseball infielder
 * Hugh Callaghan (1930–2023), Irishman wrongly convicted of terrorist murder, one of the Birmingham Six
 * Ian Callaghan (born 1942), English footballer with Liverpool, Swansea City and England
 * James Callaghan (1912–2005), British politician who served as Prime Minister of the United Kingdom
 * James Callaghan (disambiguation), several others
 * Jeremy Callaghan (born 1967), Australian actor
 * John Callaghan (disambiguation), several people
 * Joseph Cruess Callaghan (1893–1918), Irish First World War flying ace
 * Kathy Callaghan (born 1962), American handball goalkeeper
 * Kristian Callaghan (born 1993), English sport shooter
 * Leo Callaghan (1924–1987), Welsh football referee
 * Leonie Callaghan (born 1959), Australian cricketer
 * Marge Callaghan (1921–2019), Canadian baseball in fielder
 * Marissa Callaghan (born 1985), footballer from Northern Ireland with Cliftonville
 * Martin Callaghan (born 1962), Australian water polo player
 * Martina Callaghan, Irish medical physicist
 * Marty Callaghan (1900–1975), American baseball outfielder
 * Mary Callaghan ( from 2019), Irish Social Democrats politician
 * Mary Rose Callaghan (born 1944), Irish novelist
 * Mike Callaghan (born 1963), American politician and attorney
 * Morley Callaghan (1903–1990), Canadian novelist
 * Margaret Jay, Baroness Jay of Paddington (née Callaghan; born 1939), British politician for the Labour Party
 * Nev Callaghan (1936–2016), Australian rugby league player
 * Noel Callaghan (born 1955), Australian tennis player and coach
 * Nigel Callaghan (born 1962), English footballer with Watford and Derby County
 * Pat Callaghan (politician) (1927–2009), Canadian politician
 * Patrick Callaghan (1879–1959), Scottish footballer with Hibernian and Scotland
 * Patrick Desmond Callaghan (1926–1992), officer in the Pakistan Air Force
 * Paul Callaghan (1947–2012), New Zealand physicist
 * Paul Callaghan (Gaelic footballer) (born 1971), Irish Gaelic footballer and coach
 * Pól Callaghan ( from 2010), Irish politician
 * Richard Callaghan ( 1960s–1999), American figure skater and coach
 * Sheila Callaghan (born 1973), American playwright
 * Simon Callaghan (born 1983), English racehorse trainer
 * Slade Callaghan (born 1970), Barbadian jockey
 * Stan Callaghan (1916–1989), Australian rugby league footballer
 * Stephanie Callaghan (born 1971), Scottish politician for Scottish National Party, Member of the Scottish Parliament elected 2021
 * Steve Callaghan ( from 1999), American screenwriter and voice actor
 * Stuart Callaghan (born 1976), Scottish footballer with Hamilton, Brechin and Berwick
 * Tabby Callaghan (born 1981), Irish musician
 * Terry Callaghan (born 1945), British Arctic ecologist
 * Jeremiah Thomas Fitzgerald Callaghan (1827–1881), Irish colonial administrator (governor of the Falkland Islands, the Bahamas and The Gambia)
 * Thomas Callaghan (disambiguation), several people
 * William Callaghan (disambiguation), several people

Fictional characters

 * Clarissa Callaghan, from the video game Valkyria Chronicles III
 * Robert Callaghan, the main antagonist from the movie Big Hero 6
 * Sam Callaghan, protagonist of Australian / Singaporean television series Serangoon Road
 * Slim Callaghan, private detective in novels by Peter Cheyney

Places

 * Callaghan, New South Wales, Australia
 * Callaghan, Edmonton, Canada
 * Callaghan, Virginia, United States
 * Callaghan, Texas, United States
 * Callaghan Lake Provincial Park, British Columbia, Canada
 * Callaghan Park, horseracing venue in Rockhampton, Queensland, Australia
 * Callaghan Square, Cardiff, Wales
 * Callaghan Valley, British Columbia, Canada
 * Mount Callaghan, British Columbia, Canada

Ships

 * GTS Admiral W. M. Callaghan, American military support vessel
 * USS Callaghan (DD-792), United States Navy destroyer
 * USS Callaghan (DDG-994), United States Navy destroyer

Other

 * Callaghan Apartments, Wyoming, United States
 * Merritt E. Callaghan Intermediate School, St Louis, United States