Family name Цзюнь (Цзюнь 
) , throughout the world, is a very rare last name. The last name Цзюнь is habitual in Belarus, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Belarus, Russia, and Kyrgyzstan. More prevalently, Цзюнь is the forename as well as the last name.