Family name קוכר (Kocher 
, קוכר 
) , in the entire world, is a common surname. The family name קוכר is habitual in Switzerland, where it is quite a common surname, Bhutan, and Iraq (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Iraq, the United States, and Switzerland. Very seldom, קוכר is the forename as well as the last name.