Cognomen Давитян (Давитян 
, Davitian 
, Davitjan ) , in the entire world, is a rare family name. The last name Давитян is habitual in Russia, where it is a rare surname, Belarus, and Kazakhstan. Not in comparison with a country's population, it is commonest in Russia, the United States, and France. Very seldom, Давитян is the forename as well as the last name.