Family name Кошжанов (Кошжанов 
, Koshjanov) , throughout the world, is a rare last name. The family name Кошжанов is characteristic of Azerbaijan, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Kyrgyzstan, where it is a very rare surname. Much less frequently, Кошжанов is the forename as well as the last name.