Last name ช้างพันธุ์ (ช้างพันธุ์, Changphan 
) , around the world, is a very rare family name. The family name ช้างพันธุ์ is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Changphan | United States, Thailand |