Cognomen อุทัยพัฒนเดช (อุทัยพัฒนเดช 
) , across the world, is an extremely rare surname. The family name อุทัยพัฒนเดช is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| อุทัยพัฒนเดช | Thailand |