Family name อมรสิทธิคุณ (อมรสิทธิคุณ 
) , all over the world, is a very rare surname. The last name อมรสิทธิคุณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| อมรสิทธิคุณ | Thailand |