O'Hanlon

O'Hanlon is an Irish surname associated with the Ó hAnluain sept. As with other similar names, the added prefix "O'" means "son of" (Hanlon).

Notable people with that surname include:


 * Ardal O'Hanlon (born 1965), Irish comedian
 * Cressida O'Hanlon, Australian politician
 * Evan O'Hanlon (born 1988), Australian Paralympian
 * Fergal O'Hanlon (1936–1957, Irish Republican Army member
 * Fran O'Hanlon (born 1948), Lafayette Leopards men's basketball head coach
 * George O'Hanlon (1912–1989), American actor
 * John O'Hanlon (chess player) (1876–1960), Irish chess master
 * John O'Hanlon (Lackaghmore) (1889–1920), Sinn Féin member shot during the Irish War of Independence
 * John O'Hanlon (politician) (1872–1956), Irish politician and journalist
 * John O'Hanlon (writer) (1821–1905), Irish priest and writer
 * Killian O'Hanlon (born 1993), Gaelic footballer
 * Michael E. O'Hanlon (born 1961), American policy consultant
 * Michael F. O'Hanlon (1890–1967), Irish politician
 * Paddy O'Hanlon (1944–2009), Irish politician
 * Pat O'Hanlon, (born 1991), Australian Rugby League player
 * Redmond O'Hanlon, British writer
 * Redmond O'Hanlon (outlaw), 17th-century Irish rapparee
 * Rory O'Hanlon, Irish politician
 * Rory O'Hanlon (Irish judge), Irish High Court judge
 * Siobhán O'Hanlon, Sinn Féin politician
 * Virginia O'Hanlon, catalyst for "Yes, Virginia, there is a Santa Claus"