Last name Walkowiak (Walkowiak 
, Валковяк 
) , in the world, is quite a common cognomen. The surname Walkowiak is characteristic of Poland, where it is quite a common surname, Germany, where it is quite a rare surname, and France. In absolute terms, the name is most common in Poland, the United States, and Germany. Also, Walkowiak is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Walkowiak | Germany, France, Poland, United Kingdom, United States |
| Валковяк | Ukraine |
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roger walkowiak French cyclist, FR (b. 1927) |
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daniela walkowiak Polish canoeist, PL (b. 1935) |
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| jean walkowiak French politician, FR (b. 1946) |
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| peter walkowiak (b. 1938) |
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| gabriel walkowiak French politician, FR (b. 1949) |
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| david john walkowiak American Roman Catholic bishop, US (b. 1953) |
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| andrzej walkowiak Polish politician, PL (b. 1961) |
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| ryszard walkowiak PL (b. 1952) |
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| philippe walkowiak Belgian journalist, BE (b. 1964) |
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| mariusz walkowiak Polish canoeist, PL (b. 1970) |
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| krzysztof walkowiak Polish computer scientist, university teacher, PL (b. 1973) |
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| emmanuelle walkowiak researcher ORCID: 0000-0002-7153-614X (b. 1975) |
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| piotr walkowiak Polish architect, PL |
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| i. walkowiak botanist |
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| jacek walkowiak researcher (ORCID 0000-0001-9172-5258) |
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