Family name Syun (シュン 
, Syun 
, Сюн 
) , in all the world, is a common surname. The cognomen Syun is characteristic of Japan, where it is quite a common surname, Malaysia, where it is a rare surname, and Russia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Japan, Indonesia, and Malaysia. Very seldom, Syun is the forename as well as the last name.