Family name Gascas (Gascas 
) , all around the world, is a very rare cognomen. The last name Gascas is habitual in Mexico, where it is a very rare surname, Colombia, and the United States, where it is an extremely rare surname. Much less frequently, Gascas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gascas | Mexico, Colombia, Spain, United States |