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Cognomen Ružica (Ružica , Ружица ) , all over the world, is a rare surname. The last name Ružica is habitual in Serbia, where it is quite a rare surname, Bulgaria, and Croatia, where it is a very rare surname. Predominantly, Ružica is the forename as well as the last name.
Novak, Vidović, Vuković, Marković, Matković, Barišić, Kovačić, Pavlović, Perković, Petrović, Jurković, Matijević, Blažević, Knežević, Josipović, Jovanović, Vidaković, Filipović, Živković, Martinović, Milošević, Mihaljević, Nikolić, Popović, Bošnjak, Šimić, Ivić, Marić, Matić, Babić, Brkić, Kovač, Perić, Radić, Grgić, Lukić, Kovačević, Jović, Tadić, Tomić, Horvat, Mandić, Stanić, Božić, Posavec, Lončar, Lovrić, Šarić, Jurić, and Marijanović