Last name Poznanović (Poznanović 
) , all over the world, is a rare cognomen. The family name Poznanović is habitual in Southern Europe, particularly Croatia, where it is quite a rare surname, and Serbia.
| VARIANT | COUNTRY |
|---|---|
| Poznanović | Serbia, Croatia |
| bogdanka poznanović RS (b. 1930) |
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| goran poznanović researcher ORCID 0000-0003-2300-6301 |
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| goran poznanović researcher (ORCID 0000-0003-0839-7017) |
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| svetlana poznanović Ph.D. Texas A&M University 2010 |
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| staša poznanović badminton player, HR (b. 1988) |
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Sara, Miljka, Stevan, Staša, Stojan, Slavko, Bojana, Branko, Rastko, Danica, Dragan, Jovana, Jelena, Tajana, Tijana, Verica, Ognjen, Živko, Milanka, Milenko, Miljana, Snežana, Miloš, Milica, Milena, Marija, Simo, Sven, Anka, Lana, Luka, Nada, Igor, Marko, Momir, Milan, Anđela, Milka, Sanja, Saša, Ruža, Dario, Darko, Davor, Draga, Goran, Nenad, Zoran, Mirko, and Dragana