Family name Kostečka (Kostečka 
) , in the world, is a very rare surname. The cognomen Kostečka is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kostečka | Czechia |
| františek kostečka CZ (b. 1893) |
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| adolf kostečka CZ (b. 1895) |
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| vilém kostečka CZ (b. 1912) |
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| josef kostečka CZ (b. 1920) |
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| jan kostečka (b. 1930) |
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| jiří kostečka CZ (b. 1956) |
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