Last name Olaya Antonia (Olaya Antonia 
) , throughout the world, is an extremely rare surname. The surname Olaya Antonia is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Olaya Antonia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olaya Antonia | Ecuador, Chile |