In the entire world, 무성 (무성 
, Museong , Moo-Sung 
) is a rare boy's first name. The first name 무성 is habitual in Eastern Asia, particularly South Korea, where it is a rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| 무성, Museong | South Korea |
| Moo-Sung | United States |
|
김무성 South Korean politician, KR (b. 1951) |
|
|
최무성 South Korean actor, KR (b. 1968) |
|
| 남무성 KR (b. 1968) |
|