Last name กรยา (Koraya 
, กรยา , Kornaya ) , in all the world, is a rare cognomen. The surname กรยา is habitual in India, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Philippines. Not in comparison with a country's population, it is the most numerous in India, the United States, and Philippines. Also, กรยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koraya | United States, India, Thailand, Russia, Philippines |
| กรยา | Thailand |
| Kornaya | United States, India |