Last name Košař (Košař 
) , in the entire world, is a rare surname. The family name Košař is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare surname.
| VARIANT | COUNTRY |
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| Košař | Czechia |
| jarka košař CZ (b. 1870) |
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| václav košař CZ (b. 1928) |
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| milan košař architect, SK (b. 1946) |
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| miloslav košař (b. 1939) |
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| jaromír košař CZ (b. 1943) |
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| augustin košař Czech soccer player, CZ (b. 1955) |
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| lumír košař Czech film director, CZ (b. 1990) |
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