Family name สุขสมิทธิ์ (สุขสมิทธิ์ 
, Suksmith 
, Sukasamit ) , around the world, is a very rare last name. The surname สุขสมิทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, สุขสมิทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สุขสมิทธิ์, Sukasamit | Thailand |
| Suksmith | Thailand, United States |