Cognomen Дейф (Deif 
, Дейф 
) , in all the world, is quite a common family name. The surname Дейф is habitual in Egypt, where it is quite a rare surname, United Arab Emirates, and Kuwait, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Egypt, Saudi Arabia, and United Arab Emirates. Much less frequently, Дейф is the forename as well as the last name.