Cognomen Konstantinović (Константинович 
, Konstantinović 
) , across the world, is quite a rare surname. The last name Konstantinović is characteristic of Kazakhstan, where it is quite a common surname, Serbia, where it is quite a rare surname, and Belarus. Not in comparison with a country's population, it most frequently occurs in Kazakhstan, Russia, and Serbia. Much less frequently, Konstantinović is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Константинович | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Konstantinović | Serbia, Croatia |
| mihailo konstantinović RS (b. 1800) |
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natalija konstantinović Princess of Montenegro, IT (b. 1882) |
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| mihailo konstantinović RS (b. 1897) |
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| zoran konstantinović Serbian scientist, author and university teacher (1920-2007), RS (b. 1920) |
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| radomir konstantinović Serbian writer and philosopher, RS (b. 1928) |
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| mirsad konstantinović (b. 1956) |
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| neda konstantinović researcher |
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| jelena konstantinović researcher |
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Mia, Branko, Katica, Dragan, Jelena, Milorad, Miodrag, Miloš, Dragana, Nebojša, Stanimir, Svetlana, Katarina, Ljiljana, Tomislav, Nataša, Miroslava, Marija, Zoran, Maja, Dora, Lana, Ivan, Olga, Milan, Marica, Berta, Dario, Goran, Nenad, Vanja, Ilija, Ivana, Dejan, and Anastasija