Cognomen 준석 (준석 
, Junseok 
, Jun-Seok 
) , around the world, is a rare family name. The surname 준석 is characteristic of South Korea, where it is a rare surname, Hungary, where it is a very rare surname, and China, where it is an extremely rare surname. Much more prevalently, 준석 is the forename as well as the last name.