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Cognomen קיסלוב (Kiselov , Kislov , קיסלוב ) , throughout the world, is a rare surname. The surname קיסלוב is characteristic of Bulgaria, where it is quite a rare surname, Estonia, and Lithuania. Measured by absolute frequency, it most frequently occurs in Russia, Bulgaria, and Israel. Much less frequently, קיסלוב is the forename as well as the last name.