Family name Štěpnička (Stepnicka 
, Štěpnička ) , across the world, is a rare last name. The cognomen Štěpnička is characteristic of Czechia, where it is quite a rare surname, Slovakia, where it is a rare surname, and Denmark. Measured by absolute frequency, it most frequently occurs in Czechia, the United States, and Poland. Also, Štěpnička is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Stepnicka | Slovakia, United States, Czechia, Poland, Argentina |
| Štěpnička | Czechia |
| františek bohumír štěpnička (1785-1832), CZ (b. 1785) |
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| antonín štěpnička attorney and mayor in Prague-Smíchov (1829-1902), CZ (b. 1829) |
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| bedřich štěpnička CZ (b. 1879) |
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jiří štěpnička Czech dubbing actor and actor, CZ (b. 1947) |
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| josef štěpnička (b. 1920) |
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| jiří štěpnička CZ (b. 1924) |
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| karel štěpnička (b. 1935) |
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| miloš štěpnička CZ (b. 1947) |
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| martin štěpnička Ph.D. Ostravská univerzita v Ostravě 2008 (b. 1979) |
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| jan štěpnička CZ (b. 1982) |
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