Cognomen Диулгер (Dyulger 
, Диулгер , Diulger) , in the world, is a very rare last name. The surname Диулгер is habitual in Eastern Europe, particularly Bulgaria, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Much less frequently, Диулгер is the forename as well as the last name.