Family name Petploy (Petploy 
) , all around the world, is a very rare cognomen. The surname Petploy is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Petploy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petploy | Thailand |
Petkong, and Tassanamontien