Family name Hermaya (Hermaya 
) , in all the world, is a rare last name. The family name Hermaya is habitual in Bulgaria, where it is a rare surname, Indonesia, and Mexico, where it is an extremely rare surname. Much less frequently, Hermaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hermaya | Mexico, Philippines, United States, Indonesia, Bulgaria |