Surname อ่วมสวัสดิ์ (อ่วมสวัสดิ์, Uamswat 
) , across the world, is an extremely rare cognomen. The cognomen อ่วมสวัสดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Uamswat | Thailand |