Cognomen Rulas (Rulas 
) , across the world, is a very rare surname. The surname Rulas is habitual in Chile, where it is a very rare surname, Malaysia, and Mexico, where it is an extremely rare surname. More frequently, Rulas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rulas | Chile, Indonesia, United States, Mexico, Malaysia |