Cognomen พันธุ์ดวงไชย (พันธุ์ดวงไชย 
) , around the globe, is an extremely rare family name. The last name พันธุ์ดวงไชย is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พันธุ์ดวงไชย | Thailand |