Family name Kosović (Косович 
, Kosović 
) , worldwide, is quite a rare surname. The family name Kosović is habitual in Croatia, 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 is commonest in Croatia, Ukraine, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Косович | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Kosović | Serbia, Croatia |
| bogoslav kosović (b. 1871) |
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| ljubomir r. kosović (b. 1922) |
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| ema kosović researcher (ORCID 0000-0003-0413-8202) |
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| radoš kosović Serbian writer and translator (born 1984) (b. 1984) |
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| srđa kosović association football player (b. 1992) |
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Mia, Milan, Milka, Mirko, Sanja, Saša, Stevo, Stipe, Bojan, Bruno, Paula, Petra, Petar, Dejan, Dario, Darko, Davor, Damir, Doris, Goran, Laura, Jasna, Matea, Manda, Marko, Mario, Ana, Lea, Tea, Edo, Iva, Mate, Mira, Sara, Ante, Anja, Jakov, Anka, Pjer, Roko, Lana, Luka, Tomo, Nada, Vera, Ivan, Igor, Marin, Pero, and Josip