Surname Rais (Rais 
, Раис 
, رايس 
) , all around the world, is a widespread family name. The surname Rais is habitual in Brunei, where it is quite a common surname, Morocco, and Tunisia (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in India, Indonesia, and Algeria. Also, Rais is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rais | India, Morocco, Indonesia, Pakistan, Algeria |
| Раис | Ukraine, Kazakhstan, Russia, Azerbaijan, Kyrgyzstan |
| رايس | Morocco, Libya, Sudan, Egypt, Algeria |
| Райс | Ukraine, Russia, Kyrgyzstan, Kazakhstan |
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saint rais Egyptian saint (b. 201) |
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gilles de rais leader in the French army, companion-in-arms of Joan of Arc, convicted serial killer of children, FR (b. 1405) |
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| rené de rais (b. 1450) |
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karel václav rais Czech poet, bookwriter and writer (1859-1926), CZ (b. 1859) |
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| jan nep. rais CZ (b. 1803) |
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| urbà fando i rais Spanish businessperson and composer (1855-1911), ES (b. 1855) |
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štefan rais Czechoslovak publicist, minister of justice of the CR and slovak nation politician, SK (b. 1909) |
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| antonín rais (b. 1861) |
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| jules rais FR (b. 1872) |
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| karl rais DE (b. 1875) |
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| ludvík rais (b. 1877) |
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| albert rais Swiss politician (1888-1973), CH (b. 1888) |
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francesco rais Italian politician, IT (b. 1940) |
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| heinrich rais Czech civil servant, AT (b. 1893) |
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amien rais Indonesian politician, ID (b. 1944) |
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