Family name สมเสียง (สมเสียง 
) , throughout the world, is a rare last name. The surname สมเสียง is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สมเสียง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมเสียง | Thailand |