Last name Koczka (Koczka 
) , across the world, is quite a rare surname. The cognomen Koczka is characteristic of Hungary, where it is quite a common surname, Israel, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, it is commonest in Hungary, the United States, and Israel. Very seldom, Koczka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Koczka | Germany, Israel, Canada, United States, Hungary |
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györgy koczka Romanian journalist, dramaturge and translator, RO (b. 1938) |
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| györgy koczka RO (b. 1921) |
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| koczka pál Hungarian basketball player, HU (b. 1939) |
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| istván koczka (b. 1932) |
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| koczka istván Hungarian swimmer, HU (b. 1958) |
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| andrew koczka Australian soccer player, AU (b. 1965) |
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| koczka csaba Hungarian politician, HU (b. 1967) |
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| zsolt koczka chess player (b. 1974) |
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| zsofia koczka (b. 1987) |
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