Family name Ohanlon (Ohanlon 
) , in the entire world, is quite a rare surname. The last name Ohanlon is characteristic of Ireland, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and New Zealand. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Ireland. Very seldom, Ohanlon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ohanlon | Australia, Ireland, Canada, United States, United Kingdom |