Surname Kridchaya (Kridchaya 
) , across the world, is an extremely rare cognomen. Much more frequently, Kridchaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kridchaya | Thailand |
Wongnim, Chanasit, Chanasid, Puangkaew, and Komonsittivate