Last name ผดุงสุนทร (ผดุงสุนทร 
, Padungsunthorn , Padungsuntron ) , across the world, is a rare surname. The last name ผดุงสุนทร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| ผดุงสุนทร, Padungsuntron, Padungsuntorn, Padungsunthorn | Thailand |
Padungsoonton, Padungsoontorn, Phadungsunthorn, and Phadungsuntol