Last name Даюб (Dayub 
, Даюб 
) , all over the world, is a rare family name. The cognomen Даюб is habitual in Syria, where it is a rare surname, Argentina, and Venezuela, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Argentina, Syria, and Ukraine. Very seldom, Даюб is the forename as well as the last name.