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Throughout the world, Румен (Rumen , Румен , Roumen ) is quite a common principally masculine, but very seldom girly first name. The given name Румен is habitual in Bulgaria, where it is quite a common boy's name, Greece, where it is quite a rare male name, and Romania, where it is a rare masculine name. Measured by absolute frequency, it most frequently occurs in Bulgaria, Bangladesh, and Greece. Very seldom, Румен is the last name as well as the forename.
Колев, Антонов, Борисов, Джуванов, Николов, Василев, Зафиров, Славчев, Стойчев, Стоянов, Тодоров, Христов, Младенов, Найденов, Йорданов, Караджов, Михайлов, Атанасов, Георгиев, Димитров, Стефанов, Карамихалев, Ангелов, Чилингиров, Андреев, Кръстев, Манов, Митев, Попов, Илиев, Рачев, Русев, Асенов, Узунов, Калчев, Костов, Манчев, Минчев, Герзилов, Павлов, Петров, Петков, Дончев, Иванов, Стоилов, Райков, Райчев, Маринов, and Александров