Last name Suamuang (Suamuang 
) , all over the world, is a very rare cognomen. The family name Suamuang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Much less frequently, Suamuang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suamuang | China, Thailand, Philippines |