Family name Їлмаз (Yilmaz 
, Їлмаз 
) , in all the world, is a prevalent last name. The family name Їлмаз is habitual in Turkey, where it is a prevalent surname, Austria, where it is quite a common surname, and Kosovo (explore the name in all countries). In absolute terms, it is commonest in Turkey, Germany, and Austria. Much less frequently, Їлмаз is the forename as well as the last name.