Family name Prayomhom (Prayomhom 
) , globally, is an extremely rare surname. The last name Prayomhom is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prayomhom | Thailand |
Supin, Chalaoy, Suwannee, Preechar, and Master Supakit