Family name Pattanachaiwit (Pattanachaiwit 
) , globally, is a very rare last name. The surname Pattanachaiwit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pattanachaiwit | Thailand |
| supanit pattanachaiwit researcher |
|