Surname Paisarnsupachai (Paisarnsupachai 
) , worldwide, is a very rare cognomen. The family name Paisarnsupachai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Paisarnsupachai | Thailand |
Jarunee, Charnchai, and Phongsakorn