Cognomen Esterka (Esterka 
, Эстерка 
, אסתרקה 
) , all over the world, is a rare family name. The cognomen Esterka is habitual in Czechia, where it is quite a rare surname, Austria, where it is a rare surname, and Kyrgyzstan, where it is a very rare surname. In absolute terms, it is the most numerous in Czechia, Germany, and Austria. Much less frequently, Esterka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Esterka | Germany, Czechia, Austria, United States, Argentina |
| Эстерка | Kyrgyzstan |
| אסתרקה | Israel |
| františek esterka Czechoslovak geologist (1918-2011), CZ (b. 1918) |
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| stanislav esterka (b. 1924) |
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| petr esterka Czech-American catholic priest and bishop, former military chaplain in U.S. Air Force reserves, CZ (b. 1935) |
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| bohumír esterka (b. 1930) |
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| štěpán esterka (b. 1948) |
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| petr esterka (b. 1968) |
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| stanislav esterka CZ (b. 1972) |
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| jakub esterka (b. 1978) |
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