Last name Robaya (Robaya 
) , in the entire world, is a very rare cognomen. The surname Robaya is characteristic of South Africa, where it is a very rare surname, Germany, where it is an extremely rare surname, and Philippines. More frequently, Robaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Robaya | Philippines, India, South Africa, United States, Germany |