Around the globe, Oneil-Dunne (Oneil-Dunne 
) is an extremely rare unknown gender given name. Much more prevalently, Oneil-Dunne is the last name as well as the forename. Parts of the name also exists independently as a last name Oneil, and a last name Dunne.
| VARIANT | COUNTRY |
|---|---|
| Oneil-Dunne | United States |