Family name Eidin (Eidin 
, Эйдин 
) , globally, is a very rare cognomen. The family name Eidin is habitual in Honduras, where it is a rare surname, Belarus, where it is a very rare surname, and Nicaragua. Measured by absolute frequency, it is commonest in Russia, Pakistan, and Honduras. Likewise, Eidin is the forename as well as the last name.