Family name Winandy (Winandy 
) , around the world, is a rare cognomen. The last name Winandy is characteristic of Western Europe, particularly Luxembourg, where it is quite a common surname, Belgium, where it is quite a rare surname, and Germany, where it is a rare surname. Much less frequently, Winandy is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Winandy | Belgium, Luxembourg, France, United States, Germany |
| georges winandy French official, FR (b. 1865) |
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| sébastien winandy Belgian politician (1874-1939), BE (b. 1874) |
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| jacques winandy (b. 1907) |
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| constant winandy Luxembourgish association football player, LU (b. 1933) |
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| leopold winandy LU (b. 1936) |
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| andré winandy BE (b. 1945) |
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| laurane winandy researcher |
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| susan winandy researcher (ORCID 0000-0003-3096-070X) |
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| pierre winandy Righteous Among the Nations, BE |
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| susan winandy researcher (ORCID 0000-0001-7804-9603) |
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| madeleine winandy Righteous Among the Nations, BE |
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| marcel winandy researcher |
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| lex winandy researcher |
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| julien winandy DE |
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| jérémy winandy DE (b. 1987) |
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