Last name อมรบุตร (อมรบุตร 
, Amonbutra , Amornbut ) , around the world, is a rare family name. The family name อมรบุตร is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, อมรบุตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amornbut, Amonbutra, อมรบุตร | Thailand |
| Amornbuth | Thailand, United States |