Cognomen Facundo Gaston (Facundo Gaston 
) , around the world, is an extremely rare family name. The family name Facundo Gaston is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Predominantly, Facundo Gaston is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Facundo Gaston | Argentina, Chile |