Surname Корен (Koren 
, Khoren 
, Choren 
) , in the entire world, is a common cognomen. The last name Корен 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, Slovenia, and the United States. Much less frequently, Корен is the forename as well as the last name.