Family name Ponlasak (Ponlasak 
) , all around the world, is an extremely rare cognomen. Predominantly, Ponlasak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ponlasak | Thailand |
Praratpoomee, Thongpat, Amittadej, Kaewkanyat, and Apiwattanalunggarn