Cognomen O'Herne (O'Herne 
) , across the world, is a very rare surname. The last name O'Herne is characteristic of Netherlands, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| O'Herne | United States, Netherlands |
|
jan ruff o'herne Dutch-Australian human rights activist campaigning against war rape, AU (b. 1923) |
|
| pete o'herne New Zealand actor, NZ (b. 1961) |
|