Last name Juun (Jun 
, June , Juun 
) , in the world, is a widespread surname. The surname Juun is habitual in Malaysia, where it is a common surname, Mongolia, and Brunei, where it is quite a common surname (explore the name in all countries). In absolute terms, this name is the most popular in Malaysia, China, and Indonesia. More frequently, Juun is the forename as well as the last name.