Family name Gaston Eusebio (Gaston Eusebio 
) , around the globe, is an extremely rare surname. The last name Gaston Eusebio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Gaston Eusebio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaston Eusebio | Peru, Chile |