Surname Phobtham (Phobtham 
) , around the world, is an extremely rare family name. Much more prevalently, Phobtham is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phobtham | Thailand |
Chuwala, Rakaiad, Bunnabordee, Inthajak, Warahakit, Sangsuwan, Sunantham, Phromraksa, Chularikun, Wichiansaen, and Wongsamran