Cognomen Kótai (Kótai 
) , around the world, is a rare surname. The cognomen Kótai is habitual in Eastern Europe, particularly Hungary, where it is quite a rare surname. Much less frequently, Kótai is the forename as well as the last name.
| kótai lajos HU (b. 1846) |
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| kótai lajos HU (b. 1906) |
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| kótai józsef HU (b. 1940) |
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| kótai aladár mayor of Felsőgagy (2019–), HU (b. 1967) |
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| kótai tamás HU (b. 1959) |
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| kótai mihály Hungarian boxer, HU (b. 1976) |
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| lászló kótai researcher (ORCID 0000-0001-6375-3120) |
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