Surname Sung-Nam (성남 
, Sung-Nam 
) , in all the world, is an extremely rare family name. Predominantly, Sung-Nam is the forename as well as the last name. Parts of the name also exists independently as a last name Sung, and a last name Nam.
| VARIANT | COUNTRY |
|---|---|
| 성남 | South Korea |
| Sung-Nam | United States, South Korea, Canada |