Cognomen พงศ์สะอาด (พงศ์สะอาด 
) , globally, is a very rare surname. The last name พงศ์สะอาด is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, พงศ์สะอาด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พงศ์สะอาด | Thailand |