Cognomen กฤชยา (Kritchaya 
, กฤชยา ) , worldwide, is an extremely rare surname. The surname กฤชยา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more prevalently, กฤชยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kritchaya | United States, Thailand |
| กฤชยา | Thailand |