All over the world, Yu-Seok (유석 
, Yu-Seok) is a rare male forename. The forename Yu-Seok is habitual in Eastern Asia, particularly South Korea, where it is quite a rare male name. Parts of the name also exists independently as a last name Yu, and a last name Seok.
| VARIANT | COUNTRY |
|---|---|
| 유석 | South Korea |