Family name Косић (Kosic 
, Косић ) , all over the world, is quite a rare last name. The family name Косић is characteristic of Southern Europe, particularly Bosnia and Herzegovina, where it is quite a common surname, Serbia, and Montenegro (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Southern Europe, particularly Serbia, Bosnia and Herzegovina, and Slovenia.
| VARIANT | COUNTRY |
|---|---|
| Kosic | Germany, Bosnia and Herzegovina, United States, Serbia, Slovenia |
| Косић | Serbia |
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петар косић Serbian officer and Yugoslav Army General, RS (b. 1881) |
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| васо косић actor (1899-1957), ME (b. 1899) |
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| мирко косић RS (b. 1892) |
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| никола косић RS (b. 1907) |
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| бојан косић Montenegrin alpine skier, ME (b. 1990) |
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