Family name Yong-Jun (용준 
, Yong-Jun 
, ヨンジュン 
) , all around the world, is a rare last name. The surname Yong-Jun is habitual in Eastern Asia, particularly Japan, where it is a rare surname. Much more frequently, Yong-Jun is the forename as well as the last name. Parts of the name also exists independently as a first name Yong, and a first name Jun.