# 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 (fl. 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 (fl. 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 (fl. 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 (fl. from 2010), Irish politician
* Richard Callaghan (fl. 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 (fl. 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
* Dr Tom Callaghan, original character in the Australian TV series The Flying Doctors

## 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