Cognomen Ainagas (Ainagas 
) , in the entire world, is a very rare family name. The family name Ainagas is characteristic of Venezuela, where it is a rare surname, Brazil, where it is an extremely rare surname, and the United States. Much less frequently, Ainagas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ainagas | Brazil, United States, Venezuela |