Surname Pinyathanabat (Pinyathanabat 
) , worldwide, is a very rare last name. The last name Pinyathanabat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pinyathanabat | Thailand |
Pimwipa, Chetthinee, Rujirawaan, and Phra Mongkol