Last name Wielandt (Wielandt 
) , all over the world, is a rare family name. The last name Wielandt is habitual in Belgium, where it is quite a rare surname, Denmark, and Switzerland. Measured by absolute frequency, it is the most numerous in Germany, Belgium, and the United States. Much less frequently, Wielandt is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wielandt | Belgium, Switzerland, Poland, United States, Germany |
| joachim wielandt Danish journalist (1690-1730) (b. 1690) |
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| karl friedrich wielandt (b. 1723) |
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| philipp heinrich wielandt (b. 1724) |
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| karl wilhelm wielandt (b. 1730) |
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| johann heinrich wielandt (b. 1735) |
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| christoph wielandt (b. 1737) |
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| karl ludwig wielandt (b. 1753) |
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| karl wilhelm heinrich wielandt (b. 1757) |
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| caroline wilhelmine wielandt (b. 1760) |
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| karl friedrich wielandt (b. 1761) |
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| wilhelmine wielandt (b. 1764) |
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| friedrich august wielandt (b. 1765) |
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| ernst august wielandt (b. 1766) |
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| ludwig friedrich wielandt (b. 1769) |
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| karoline wielandt (b. 1790) |
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