Cognomen ผดุงขวัญ (ผดุงขวัญ 
, Phadungkwan , Padungkwan 
) , in all the world, is a rare surname. The surname ผดุงขวัญ is habitual in Thailand, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. More frequently, ผดุงขวัญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phadungkwan, ผดุงขวัญ, Padungwan | Thailand |
| Padungkwan | United Kingdom, Thailand, United States |