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Cognomen Lapko (Lapko , Лапко ) , around the world, is quite a common family name. The cognomen Lapko is habitual in Belarus, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Latvia. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Ukraine, Russia, and Belarus. Much less frequently, Lapko is the forename as well as the last name.