# O'Donovan (surname)
## Military, intelligence

* Dan "Sandow" O'Donovan (1890–1975), Irish Republican Army figure
* Donal II O'Donovan (died 1639), the O'Donovan of Clann Cathail, Lord of Clancahill
* Donal III O'Donovan (died 1660), Irish Confederate Wars
* Donal IV O'Donovan (died 1705), Williamite War in 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
* Morgan John Winthrop O'Donovan (1893–1969), O'Donovan of Clancahill
* Morgan William II O'Donovan (1861–1940), O'Donovan of Clancahill
* Richard II O'Donovan (died 1829), O'Donovan of Clancahill
* Seamus O'Donovan (1896–1979), Irish Republican Army figure

## Government

* Daniel O'Donovan (MP Doneraile), represented the Manor of Doneraile in James II's Patriot Parliament
* Denis O'Donovan (born 1955), Irish politician, former Cathaoirleach of Seanad Éireann
* James O'Donovan, forensic scientist to the Garda Technical Bureau of the Garda Síochána
* John James O'Donovan, better known as Seán O'Donovan, (1893–1975), Irish Fianna Fáil politician and Veterinarian
* Patrick O'Donovan, (1977), Irish Fine Gael politician
* Reubin Askew (Reubin O'Donovan Askew) (1928–2014), American politician
* Timothy O'Donovan (1881–1951), Irish politician, Cathaoirleach of Seanad Éireann
* William O'Donovan (1886–1955), British Conservative Party politician

## Religion

* Dennis J. O'Donovan, (d. 1892), American Roman Catholic priest
* Gerald O'Donovan, (born Jeremiah Donovan; 1871–1942), Irish priest and writer
* Oliver O'Donovan (born 1945), theologian
* Prue O'Donovan, Archdeacon of Flinders in the Anglican Diocese of Willochra

## Academia

* Leo J. O'Donovan (born 1934), former President of Georgetown University
* Michael C. O'Donovan, Scottish psychiatric geneticist

## Sport

* Ambrose O'Donovan, (1962), former Gaelic footballer
* Conor O'Donovan, (1962), former Irish hurler
* Darragh O'Donovan, (1995), Irish hurler
* Domhnall O'Donovan, (1988), Irish hurler
* Fachtna O'Donovan, (1921–1995) Irish Gaelic footballer
* Gary O'Donovan (1992), Irish rower
* John Francis O’Donovan, (1918–1999) Irish chess master
* Niall O'Donovan, Irish rugby union coach
* Ollie O'Donovan (b. 1966), Irish rallycross driver
* Paul O'Donovan, (1994), Irish rower
* Roy O'Donovan, (1985), Irish professional footballer

## Entertainment

* Aoife O'Donovan, (1982), Irish-American singer and songwriter.
* Frank O'Donovan, (1900–1974), Irish actor, singer and songwriter
* Maeve O'Donovan (b. 1990), singer-songwriter from Limerick, Ireland
* Máirín O'Donovan, (1936), Irish actress, singer, and dancer
* Noel O'Donovan, (1949–2019), Irish actor
* Ross O'Donovan (born 1987), animator and co-host of YouTube webseries, Steam Train

## Other

* Barra Ó Donnabháin (1941–2003), Irish language columnist, The Irish Echo
* Brian O'Donovan, (1980), Irish journalist
* Daniel O'Donovan of Mahoonagh and Feenagh, was the hereditary chief of the remnants of the Ui- Donnabhain of the Uí Fidgenti,
* Edwin O'Donovan (1914–2000), American art director
* Fred O'Donovan (theatre producer) (1930–2010), Irish theatre producer and businessman
* Fred O'Donovan (actor) (1884–1952), Irish actor, film maker and theatre manager
* Gerard O'Donovan, (1958), Irish author
* Gerald O'Donovan (1871–1972), writer
* Ímar Ua Donnubáin, or Ivor O'Donovan, a legendary and celebrated petty king, navigator, trader, and reputed necromancer of 13th century Ireland
* Mary Jane O'Donovan Rossa, (1845–1916), Irish poet and political activist
* Michael Francis O'Donovan (1903–1966), Irish author Frank O'Connor
* William Rudolf O'Donovan (1844–1920), American sculptor