Cognomen สมคบ (สมคบ 
) , all around the world, is an extremely rare last name. The cognomen สมคบ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, สมคบ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมคบ | Thailand |
ศุภเลิศ, and เทือกเถาว์