Surname Pragobsub (Pragobsub 
) , all over the world, is a very rare family name. The family name Pragobsub is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pragobsub | Thailand |
Pimthong, Piratchai, Patcharachai, and Phuangthong