Cognomen Zayev (Zayev 
, Заев 
, Заєв ) , throughout the world, is quite a rare surname. The last name Zayev is habitual in Bulgaria, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Russia, Ukraine, and Bulgaria. Much less frequently, Zayev is the forename as well as the last name.