Surname Dzaja (Dzaja 
) , globally, is a rare last name. The last name Dzaja is characteristic of Croatia, where it is a rare surname, Austria, and Australia, where it is a very rare surname. In absolute terms, it is commonest in Croatia, Germany, and Italy. Much less frequently, Dzaja is the forename as well as the last name.
Mr, Josip, Josko, Nenad, Vinka, Flora, Ivana, Ivica, Marija, Marcel, Mattia, Melita, Milica, Sanela, Suzana, Angelo, Pierre, Dragan, Jacobo, Nicole, Nikola, Nevena, Jaksa, Dinko, Diana, Rijad, Sam, Ana, Tom, Iva, Mate, Ante, Keti, Paul, Luka, Toni, Nedzad, Nada, Ivan, Igor, Mario, Marta, Marko, Milan, Mirna, Ahmet, Borna, Petar, Nina, and Hrvoje