Family name Wachnicki (Wachnicki 
) , globally, is a rare cognomen. The family name Wachnicki is characteristic of Poland, where it is a rare surname, France, and the United States, where it is an extremely rare surname. Also, Wachnicki is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wachnicki | United Kingdom, Poland, Brazil, United States, France |
| eugeniusz wachnicki Polish mathematician (1940-2015), PL (b. 1940) |
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| łukasz wachnicki researcher ORCID ID = 0000-0002-0428-4974, PL |
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| marie-anne wachnicki FR (b. 1989) |
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