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".
Notable people with that surname include:
- Ardal O'Hanlon, Irish comedian
- Cressida O'Hanlon, Australian politician
- Evan O'Hanlon, Australian Paralympian
- Fergal O'Hanlon, American basketball coach
- George O'Hanlon, American actor
- Hugh O'Hanlon, British nuclear physicist
- John O'Hanlon (chess player), Irish chess master
- John O'Hanlon (Lackaghmore), Sinn Féin member shot during the Irish War of Independence
- John O'Hanlon (politician), Irish politician and journalist
- John O'Hanlon (writer), Irish priest and writer
- Killian O'Hanlon, Gaelic footballer
- Michael E. O'Hanlon, American policy consultant
- Michael F. O'Hanlon, Irish politician
- Paddy O'Hanlon, Irish politician
- Pat O'Hanlon,, Australian rugby 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 judge
- Siobhán O'Hanlon, Irish politician
- Virginia O'Hanlon, catalyst for "Yes, Virginia, there is a Santa Claus"