Surname สมคง (สมคง 
, Somkong 
) , in the world, is a rare cognomen. The cognomen สมคง is characteristic of Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and France. Much less frequently, สมคง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมคง | Thailand |
| Somkong | United States, Thailand, France, Malaysia |