Family name דמי (Demi 
, Demy 
, Demme 
) , in all the world, is quite a common surname. The family name דמי is habitual in Albania, where it is quite a common surname, Kosovo, and Italy, where it is quite a rare surname. In absolute terms, this name is the most popular in Italy, Ethiopia, and Germany. More prevalently, דמי is the forename as well as the last name.