Some persons with the family name Kosić
(and similar)
Ozana Kotorska - Osanna of Cattaro
(Relezi, 25. 11. 1493 – Kotor, 27. 4. 1565)
(Dubrovnik, 5. 10. 1829 – Dubrovnik, 18. 1. 1918)
(Bujačić, 13. 5. 1881 – Belgrade, 18. 6. 1949)
(Ukšić, 21. 3. 1903 – Nova Gajdobra, 9. 3. 1974)
(Kraljevo, 22. 2. 1907 - Čačak, 10. 11. 2004)
Danica Kosić
(Svrčuge, 1922 - Plana, 1943)
Bila je puškomitraljezac Pete crnogorske proleterske brigade. Poginula je u maju 1943. kod Plane, blizu Gackog.
(Ukšić, 8. 6. 1941 - Dubrovnik, 21. 12. 2015)
(Maribor, 1959) Slovenian chess player
late doctor of philosophy (Paris - Moscow)
Dragan Kosić
(born 15 February 1970) is a Montenegrin chess player and trainer.
Dušan Kosič
(born 23 April 1971) is a Slovenian professional football manager and former player.
(born in Nikšić, 25.07.1976) graduated from the Faculty of Serbian Language and Literature, and his short stories have been published in anthologies and numerous literary magazines. Three were filmed and an opera was composed and performed based on one.
(born in Zagreb, 11. 11. 1975) is a former Croatian football player
Canadian musician
Branko Kosić
(born 19 February 1983) is a Liechtenstein pool player.
(born in Nikšić, December 14, 1990) is a Montenegrin alpine skier. He was the sole competitor for Montenegro at the 2010 Winter Olympics.
Jakob Kosić
(born in Zagreb, 1993) is Croatian MMA fighter.
Melita Kosić
is not a real person but the main character in Croatian TV-series for children, "Lažeš, Melita", based on a short novel written by Ivan Kušan.
https://m.imdb.com/title/tt0306346/
These persons have different nationalities
(Bosnian, Croatian, Montenegrin, Serbian, Slovenian
and other). I do not claim that they are all related.