Last name Abyan (Abyan 
, ابين 
, Абян 
) , across the world, is quite a rare cognomen. The cognomen Abyan is habitual in Somalia, where it is quite a rare surname, Indonesia, and Yemen, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, Somalia, and Russia. Likewise, Abyan is the forename as well as the last name.