Last name Jin-Kook (Jin-Kook 
) , all around the world, is an extremely rare cognomen. The family name Jin-Kook is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Likewise, Jin-Kook is the forename as well as the last name. Parts of the name also exists independently as a last name Jin, and a last name Kook.
| VARIANT | COUNTRY |
|---|---|
| Jin-Kook | Chile |