Last name พงศ์กุศลจิตต์ (พงศ์กุศลจิตต์ 
) , all over the world, is a very rare surname. The last name พงศ์กุศลจิตต์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พงศ์กุศลจิตต์ | Thailand |