Family name Jun-Seok (준석 
, Jun-Seok 
) , all around the world, is a very rare cognomen. The family name Jun-Seok is habitual in Hungary, where it is a very rare surname, and China, where it is an extremely rare surname. Predominantly, Jun-Seok is the forename as well as the last name. Parts of the name also exists independently as a first name Jun, and a last name Seok.