Last name 卡根 (Kagen 
, Kagan 
, Cagan 
) , around the world, is a common family name. The last name 卡根 is characteristic of Japan, where it is quite a common surname, Israel, and Slovakia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Japan, the United States, and Israel. Very seldom, 卡根 is the forename as well as the last name.