Cognomen ผดุงวิถี (ผดุงวิถี 
, Phadungwithi ) , throughout the world, is a very rare last name. The surname ผดุงวิถี is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phadungwithi, ผดุงวิถี | Thailand |
| วรินทร ผดุงวิถี Businesswoman and 2001 Miss Thailand Universe, TH (b. 1977) |
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