Surname Phuengchai (Phuengchai 
) , worldwide, is a very rare family name. The surname Phuengchai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Phuengchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phuengchai | Thailand |