Cognomen Yazgul (Язгуль 
, Язгул , Yazgul 
) , in the entire world, is a very rare surname. The cognomen Yazgul is characteristic of Kyrgyzstan, where it is a rare surname, Russia, where it is an extremely rare surname, and Turkey. Measured by absolute frequency, it is the most numerous in Kyrgyzstan, Russia, and China. More prevalently, Yazgul is the forename as well as the last name.