Family name ภูธรชัย (ภูธรชัย 
, Poothornchai, Phuthonchai ) , around the globe, is a very rare surname. The surname ภูธรชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ภูธรชัย, Phutornchai, Phuthonchai | Thailand |
Phoothonchai, and Phuthornchai