Last name كاجان (Kagan 
, كاجان 
) , globally, is quite a common surname. The surname كاجان is habitual in Israel, where it is quite a common surname, Syria, where it is quite a rare surname, and Estonia. In absolute terms, it is the most numerous in the United States, Israel, and Syria. Much less frequently, كاجان is the forename as well as the last name.