Family name Gaston Andres (Gaston Andres 
) , in all the world, is a rare surname. The last name Gaston Andres is habitual in Chile, where it is quite a rare surname, and Spain, where it is a very rare surname. More prevalently, Gaston Andres is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gaston Andres | Argentina, Peru, Ecuador, Chile, Uruguay |