Cognomen Wollny (Wollny 
) , in all the world, is quite a rare last name. The cognomen Wollny is characteristic of Germany, where it is quite a rare surname, Iceland, and Albania, where it is a rare surname. In absolute terms, it is commonest in Germany, Poland, and the United States. Much less frequently, Wollny is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wollny | Brazil, United States, Germany, Poland, Austria |
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ewald wollny German agricultural physicist, DE (b. 1846) |
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| walter wollny botanist (1872-1911) (b. 1872) |
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| fritz wollny German archivist (1891-1965), DE (b. 1891) |
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| gerhard wollny intelligence officer (Wehrmacht); affiant in the Hostages Trial, DE (b. 1915) |
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| lieselotte wollny German politician (1926-2019), DE (b. 1926) |
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| günther wollny (b. 1917) |
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michael wollny German jazz pianist and composer, DE (b. 1978) |
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| wolfgang wollny Dr. rer. nat. Gottfried Wilhelm Leibniz Universität Hannover 1968 (b. 1933) |
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| paul wollny PL (b. 1925) |
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| thomas wollny German officer and retirement, DE (b. 1952) |
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| gunter wollny (b. 1950) |
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| burkhard wollny DE (b. 1950) |
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| peter wollny German musicologist, DE (b. 1961) |
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| volrad wollny (b. 1958) |
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| christoph wollny (b. 1958) |
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