Family name อุทัยเชฏฐ์ (อุทัยเชฏฐ์ 
) , throughout the world, is a very rare surname. The family name อุทัยเชฏฐ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| อุทัยเชฏฐ์ | Thailand |