Family name Дольф (Dolf 
, Dolph , Dolfs 
) , in the world, is quite a rare last name. The cognomen Дольф is habitual in Switzerland, where it is quite a rare surname, South Africa, and Algeria. Measured by absolute frequency, it is the most numerous in the United States, South Africa, and Algeria. Also, Дольф is the forename as well as the last name.