60%RatingSave Gender Masculine Usage Serbian, Croatian, Slovene Scripts Рајко(Serbian) Meaning & History Derived from South Slavic raj meaning "paradise". Related NamesFamily Tree·Details RootrajĭFeminine FormsRajka(Serbian) Rajka(Croatian) Name DaysName Days? Croatia: January 14Croatia: February 19Croatia: May 19 Categories footballers, isograms, journalists, paradise, Yugoslavia in the Eurovision Song Contest