Cognomen 남덕 (남덕 
, Namdeok 
) , all around the world, is an extremely rare last name. The family name 남덕 is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Much more prevalently, 남덕 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 남덕 | South Korea |
| Namdeok | Cambodia |