Cognomen Chantarakulchai (Chantarakulchai 
) , in all the world, is a very rare family name. The surname Chantarakulchai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chantarakulchai | Thailand |
Orathai, and Kanlayanee