Family name Kolčava (Kolčava 
) , worldwide, is a very rare cognomen. The family name Kolčava is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| karel kolčava CZ (b. 1656) |
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| karel kolčava (b. 1886) |
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| jaroslav kolčava CZ (b. 1964) |
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| josef kolčava (b. 1966) |
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