Surname Phra Suthep (Phra Suthep 
) , in the entire world, is an extremely rare cognomen. Much more prevalently, Phra Suthep is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phra Suthep | Thailand |
Chaloilam, Pornbundansuk, Sombatkamrai, Narongchai, and Sirimethanon