Cognomen Oñate Garces (Oñate Garces 
) , all over the world, is a very rare last name. The surname Oñate Garces is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, and Chile, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Oñate Garces | Ecuador, Chile |