Cognomen Дэмиан (Demian 
, Дэмиан 
) , all over the world, is a common family name. The cognomen Дэмиан is habitual in Moldova, where it is quite a common surname, Romania, and Lebanon. In absolute terms, it most frequently occurs in Romania, Egypt, and Nigeria. Likewise, Дэмиан is the forename as well as the last name.