Surname Ponchaiyarit (Ponchaiyarit 
) , around the world, is a very rare cognomen. The last name Ponchaiyarit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ponchaiyarit | Thailand |
Onwaraluck, and Saranyakorn