Family name ชาญวิทยาพงศ์ (ชาญวิทยาพงศ์ 
, Chanvitayapongs 
) , in the world, is a very rare surname. The family name ชาญวิทยาพงศ์ is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ชาญวิทยาพงศ์ | Thailand |
| Chanvitayapongs | United States, Thailand |