Family name 은성 (은성 
, Eunseong 
, Eun-Sung ) , all around the world, is an extremely rare last name. Predominantly, 은성 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 은성 | South Korea |
| Eunseong | United States, South Korea |
| Eun-Sung | United States |