Cognomen Phadungsil (Phadungsil 
) , around the globe, is a very rare surname. The family name Phadungsil is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phadungsil | United States, Thailand |
| chinnarat phadungsil Thai professional golfer (born 1988), TH (b. 1988) |
|