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Cognomen Kazanova (Kazanova , Казанова , קזנובה ) , across the world, is quite a common last name. The cognomen Kazanova is characteristic of Northern Africa, particularly Tunisia, where it is quite a rare surname, Algeria, and Egypt. Measured by absolute frequency, the name is most common in Russia, Egypt, and Algeria. Much less frequently, Kazanova is the forename as well as the last name.