Surname Koromzay (Koromzay 
) , across the world, is a very rare last name. The surname Koromzay is habitual in Switzerland, where it is a rare surname, France, where it is an extremely rare surname, and the United States. Much less frequently, Koromzay is the forename as well as the last name.
| viktor koromzay SK (b. 1839) |
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| koromzay dénes Hungarian musician (1913-2001), HU (b. 1913) |
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| alix koromzay American actress, US (b. 1969) |
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