O'Hanlon
O'Hanlon is a family name for the following people:
- Fergal O'Hanlon (1936–1957), member of the Irish Republican Army (IRA)
- George O'Hanlon (1912–1989), American actor, screenwriter, and voice actor
- George O Hanlon Jr. (* 1953), American actor
- John O'Hanlon (1876–1960), Irish chess player
- Redmond O'Hanlon (born 1947), British writer
- Rory O'Hanlon (born 1934), Irish politician
- Selena O'Hanlon (* 1981), Canadian eventing rider
- Sé O'Hanlon (* 1941), Irish cyclist
- Virginia O'Hanlon (1889–1971), American notoriety
