O'Donovan is a surname of Irish origin. It may refer to:
Ambrose O'Donovan (born 1962), former Gaelic footballer Aoife O'Donovan (born 1982), Irish-American singer and songwriter Brian O'Donovan (born 1980), Irish journalist Colman O'Donovan (1927–2025), Irish hurler Conor O'Donovan (born 1962), Irish former hurler Daniel O'Donovan, Member of Parliament James II's Patriot Parliament in 1690 Daniel O'Donovan (Irish republican) (1890–1975), member of the Irish Republican Army Darragh O'Donovan (1995), Irish hurler Denis O'Donovan (born 1955), Irish politician, former Cathaoirleach of Seanad Éireann Dennis J. O'Donovan (died 1892), American Roman Catholic priest Domhnall O'Donovan (born 1988), Irish hurler Donal II O'Donovan (died 1639), the O'Donovan of Clann Cathail, Lord of Clancahill Donal III O'Donovan (died 1660), chief of the O'Donovan family Donal IV O'Donovan (died 1705), Member of Parliament Edwin O'Donovan (1914–2000), American art director Fachtna O'Donovan (1921–1995) Irish Gaelic footballer Frank O'Donovan (1900–1974), Irish actor, singer and songwriter Fred O'Donovan (actor) (1884–1952), Irish actor, film maker and theatre manager Fred O'Donovan (theatre producer) (1930–2010), Irish theatre producer and businessman Gary O'Donovan (born 1992), Irish rower Gerald O'Donovan (1871–1942), Irish priest and writer born Jeremiah Donovan Gerard O'Donovan (born 1958), Irish author Ímar Ua Donnubáin or Ivor O'Donovan, a legendary petty king, navigator, trader and reputed necromancer of 13th century Ireland Jeremiah O'Donovan (died 1709), O'Donovan of Clanloughlin, Registrar for the Admiralty (Ireland) under James II Jeremiah O'Donovan Rossa (1831–1915), Fenian, Irish Republican Brotherhood figure Jerome X. O'Donovan (1944–2014), US Marine Corps captain, New York City councilman John O'Donovan (disambiguation) Leo J. O'Donovan (born 1934), former President of Georgetown University Maeve O'Donovan (born 1990), Irish singer and songwriter Máirín O'Donovan (born 1936), Irish actress, singer and dancer Michael C. O'Donovan, Scottish psychiatric geneticist Michael Francis O'Donovan (1903–1966), birth name of Irish author Frank O'Connor Morgan John Winthrop O'Donovan (1893–1969), British Army brigadier and O'Donovan of Clancahill Morgan William II O'Donovan (1861–1940), the O'Donovan of Clancahill Niall O'Donovan, Irish rugby union coach Noel O'Donovan (actor) (1949–2019), Irish actor Oliver O'Donovan (born 1945), British Anglican priest, academic and theologian Ollie O'Donovan (born 1966), Irish rallycross driver Patrick O'Donovan (born 1977), Irish Fine Gael politician Paul O'Donovan (born 1994), Irish rower Prue O'Donovan (1950–2023), Archdeacon of Flinders in the Anglican Diocese of Willochra Richard O'Donovan ((1764/1768–1829), British Army lieutenant general and the O'Donovan of Clancahill Roy O'Donovan (born 1985), Irish footballer Ross O'Donovan (born 1987), animator and co-host of YouTube webseries, Steam Train Seamus O'Donovan (1896–1979), Irish Republican Army member and Nazi Abwehr agent Seán O'Donovan (1893–1975), Irish Fianna Fáil politician and Veterinarian Tim O'Donovan (1932–2025), English monarchist Timothy O'Donovan (1881–1951), Irish politician, Cathaoirleach of Seanad Éireann Val O'Donovan (1936–2005), Cork-born Canadian electrical engineer, businessman, co-founder of COM DEV and Chancellor of the University of Waterloo William Rudolf O'Donovan (1844–1920), American sculptor William O'Donovan (politician) (1886–1955), British Conservative Party politician
Fictional characters Liam O'Donovan (Tracy Beaker Returns), Tracy Beaker character
See also O'Donovan family Donovan (surname) Donovan (disambiguation)