Last name 容克 (Junker 
, Jungk 
, Juncker ) , in the entire world, is a common cognomen. The cognomen 容克 is characteristic of Denmark, where it is quite a common surname, Germany, and Luxembourg (explore the name in all countries). Measured by absolute frequency, it is commonest in Germany, the United States, and Denmark. Very seldom, 容克 is the forename as well as the last name.