Cognomen Deik (Deik 
) , all over the world, is a rare last name. The surname Deik is characteristic of Chile, where it is a rare surname, Palestinian Territory, and Poland. Not in comparison with a country's population, it is commonest in Chile, Poland, and Germany. Likewise, Deik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deik | Germany, Chile, United States, Poland, Myanmar |
| władysław deik PL (b. 1901) |
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| david deik person associated with the witch trials in Scotland, GB |
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| amy deik researcher (ORCID 0000-0002-9687-0953) |
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| andres deik |
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