Cognomen สมชาต (สมชาต 
) , all over the world, is an extremely rare family name. The cognomen สมชาต is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, สมชาต is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมชาต | Thailand |