Last name Деми (Demi 
, Demy , Деми 
) , all over the world, is quite a common surname. The cognomen Деми is characteristic of Albania, where it is quite a common surname, Kosovo, and Italy, where it is quite a rare surname. In absolute terms, it is the most numerous in Italy, Indonesia, and France. More frequently, Деми is the forename as well as the last name.