Surname Steffl (Steffl 
) , throughout the world, is quite a rare family name. The surname Steffl is habitual in Austria, where it is quite a rare surname, Czechia, and Germany, where it is a rare surname. Measured by absolute frequency, the name is most common in Germany, the United States, and Austria.
| VARIANT | COUNTRY |
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| Steffl | Austria, Germany, Czechia, United States, Afghanistan |
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karel steffl Czechoslovak soccer player (1903-1960), CZ (b. 1903) |
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otto steffl AT (b. 1935) |
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| thomas steffl CZ (b. 1900) |
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| sandra steffl German actress, DE (b. 1970) |
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| andrew j. steffl American astronomer, US (b. 1977) |
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| martin steffl researcher |
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| thomas steffl (b. 1970) |
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| michael steffl |
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| markus steffl |
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