Cognomen Khalyev (Халиев 
, Khalyev , Халёв ) , all over the world, is a rare surname. The cognomen Khalyev is characteristic of Azerbaijan, where it is quite a rare surname, Kazakhstan, and Kyrgyzstan, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Kazakhstan, Russia, and Azerbaijan. Much less frequently, Khalyev is the forename as well as the last name.