Cognomen Eun-Seok (은석 
, Eun-Seok 
) , all over the world, is an extremely rare surname. Predominantly, Eun-Seok is the forename as well as the last name. Parts of the name also exists independently as a first name Eun, and a last name Seok.
| VARIANT | COUNTRY |
|---|---|
| 은석 | South Korea |
| Eun-Seok | United States |