Rajko is a masculine given name and may refer to: Rajko Aleksić, former Serbian football defender Rajko Brežančić, Serbian footballer Rajko Ray Bogdanović, Serbian engineer for information technologies Rayko Daskalov, Bulgarian interwar politician of the Bulgarian Agrarian People's Union Rajko Doleček, Czech doctor and writer Rajko Dujmić, Croatian songwriter, composer and music producer best known as a member of the pop group Novi fosili. Wikipedia