Last name พงษ์จันทร์ (พงษ์จันทร์ 
, Pongchan 
, Phongchan ) , in the entire world, is a rare family name. The surname พงษ์จันทร์ is characteristic of Thailand, where it is quite a rare surname, and China, where it is an extremely rare surname. Also, พงษ์จันทร์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พงษ์จันทร์ | Thailand |
| Pongchan | India, Thailand, United States, China |
| Phongchan | Thailand, United States |
Phadsongchan, Phongjan, and Pongchandr