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Globally, Ивайло (Ivaylo , Ivailo , Ивайло ) is a common boy's first name. The forename Ивайло is habitual in Bulgaria, where it is a common boy's name, Aland Islands, where it is quite a common boy's name, and Andorra. Not in comparison with a country's population, it is commonest in Bulgaria, Greece, and Romania. Very seldom, Ивайло is the last name as well as the forename.
Колев, Андреев, Ангелов, Антонов, Борисов, Николов, Василев, Златарев, Лазаров, Станчев, Стойчев, Стоянов, Тодоров, Христов, Найденов, Йорданов, Михайлов, Атанасов, Богданов, Георгиев, Димитров, Величков, Маринов, Кирилов, Кръстев, Славов, Митев, Букин, Генов, Гецов, Попов, Димов, Велев, Жеков, Илиев, Стоев, Стефанов, Танев, Русев, Янков, Цанов, Живков, Марков, Ганчев, Павлов, Петров, Петков, Иванов, Радев, and Александров