Last name 琼金 (Jukin 
, 琼金 
, Junkin 
) , in the entire world, is quite a rare surname. The cognomen 琼金 is characteristic of Estonia, where it is quite a rare surname, Japan, and Malaysia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Japan, the United States, and Canada. Very seldom, 琼金 is the forename as well as the last name.