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Family name Айюб (Ayyub , Aiyub , Ajjub ) , all over the world, is a widespread surname. The cognomen Айюб is habitual in Pakistan, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and Fiji. Measured by absolute frequency, this name is the most popular in Pakistan, India, and Indonesia. Likewise, Айюб is the forename as well as the last name.