Last name ديمير (Demir 
, Deimer 
, Diemer ) , globally, is a common family name. The cognomen ديمير is habitual in Turkey, where it is quite a common surname, Bosnia and Herzegovina, and North Macedonia (explore the name in all countries). Not in comparison with a country's population, the name is most common in Turkey, Germany, and the United States. Much less frequently, ديمير is the forename as well as the last name.