Surname พร้อมพงษ์ (Prompong 
, Phromphong 
, Promphong 
) , in all the world, is a rare cognomen. The family name พร้อมพงษ์ is characteristic of Thailand, where it is a rare surname, Sweden, and New Zealand. More prevalently, พร้อมพงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prompong | United Kingdom, Thailand, United States, New Zealand, Finland |
| Phromphong | Thailand, Sweden |
| Promphong | India, Thailand |
Phomphong, Phompong, Phormphong, Phourpong, Phramphong, Phrmpong, Phrmrong, Phroamphong, Phrophong, Phrthompong, Pirmpong, Pirpompong, Prohmpong, Promgpong, Promprong, Promsrpong, and Prormphong