Family name อุตมงค์ (อุตมงค์ 
) , in the world, is a very rare cognomen. The family name อุตมงค์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, อุตมงค์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อุตมงค์ | Thailand |