Surname Iusubov (Юсубов 
, Iusubov 
) , all around the world, is quite a rare family name. The surname Iusubov is habitual in Azerbaijan, where it is quite a rare surname, Georgia, and Russia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Russia, Azerbaijan, and Ukraine. Very seldom, Iusubov is the forename as well as the last name.