Globally, 선준 (선준 , Sun-Joon ) is a rare masculine first name. The forename 선준 is characteristic of Eastern Asia, particularly South Korea, where it is a rare male name.
Seonjun, ソンジュン, and 善俊
, Sun-Joon 
) is a rare masculine first name. The forename 선준 is characteristic of Eastern Asia, particularly South Korea, where it is a rare male name. 