Last name สุเมธสวัสดิ์ (สุเมธสวัสดิ์ 
) , throughout the world, is a very rare family name. The last name สุเมธสวัสดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| สุเมธสวัสดิ์ | Thailand |