Surname พงศ์ทอง (Pongthong 
, พงศ์ทอง ) , across the world, is a rare last name. The cognomen พงศ์ทอง is habitual in Thailand, where it is a rare surname, and Finland, where it is a very rare surname. Very seldom, พงศ์ทอง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pongthong | Myanmar, Thailand, India, Finland |
| พงศ์ทอง | Thailand |