Family name 科伦 (Koren 
, Kren 
, 科伦 
) , in the world, is a common surname. The surname 科伦 is habitual in Slovenia, where it is a common surname, Israel, where it is quite a common surname, and Croatia (explore the name in all countries). Measured by absolute frequency, the name is most common in Israel, the United States, and Slovenia. Much less frequently, 科伦 is the forename as well as the last name.