Cognomen カヒン (Kahin 
, カヒン 
) , in all the world, is quite a rare family name. The surname カヒン is habitual in Djibouti, where it is quite a common surname, Somalia, where it is quite a rare surname, and Oman. Measured by absolute frequency, it most frequently occurs in Somalia, Ethiopia, and Bangladesh. Likewise, カヒン is the forename as well as the last name.