Cognomen Leyk (Leyk 
, Лейк 
) , around the world, is quite a rare last name. The surname Leyk is habitual in Germany, where it is a rare surname, Poland, and Bulgaria. In absolute terms, this name is the most popular in Germany, Poland, and the United States. Also, Leyk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leyk | Germany, Australia, Canada, United States, Poland |
| Лейк | Ukraine, Kyrgyzstan |
|
emil leyk civil engineer, PL (b. 1893) |
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| bogumił leyk PL (b. 1860) |
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| fryderyk leyk Polish poet, publicist, politician, PL (b. 1885) |
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wiktor marek leyk PL (b. 1951) |
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jan leyk German disc jockey, DE (b. 1984) |
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| wolfgang leyk (b. 1940) |
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| dieter leyk handball player, DE (b. 1957) |
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| stefan leyk researcher (ORCID 0000-0001-9180-4853) |
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| janina leyk researcher |
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| teresa leyk Ph.D. Australian National University 1997 |
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| g. malgorzata leyk Ph.D. Texas A&M University 2004 |
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| rainer leyk DE (b. 1978) |
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| dieter leyk |
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| beate leyk DE |
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