Family name Stefko (Stefko 
, Стефко 
, Štefko 
) , in all the world, is quite a rare cognomen. The last name Stefko is characteristic of Eastern Europe, particularly Slovakia, where it is quite a rare surname, Hungary, and Czechia. Measured by absolute frequency, it is commonest in the United States, Slovakia, and Hungary. Very seldom, Stefko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Stefko | Hungary, Slovakia, Czechia, Poland, United States |
| Стефко | Kazakhstan, Russia, Ukraine, Bulgaria |
| Štefko | Czechia, Slovakia, Croatia |
| mieczysław stefko PL (b. 1872) |
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| michał stefko (b. 1900) |
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jolanta stefko Polish writer and poet (b. 1971) |
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| joe stefko American drummer (b. 1953) |
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| anton stefko table tennis player (b. 1960) |
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| pavol stefko particle physicist at EPFL, Switzerland |
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| susan t stefko researcher |
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| robert stefko researcher |
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| stefko hanushevsky AT (b. 1980) |
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