Cognomen Grashia (Grashia 
) , throughout the world, is an extremely rare family name. The surname Grashia is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Grashia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grashia | Peru, South Africa, Philippines, United States, India |