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