Last name พลาจิณ (พลาจิณ 
) , globally, is a very rare surname. The cognomen พลาจิณ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| พลาจิณ | Thailand |
| กอบกิจ พลาจิณ Thai snooker player, TH (b. 1980) |
|