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Family name Dudko (Dudko , Дудко , Дудько ) , around the world, is a common cognomen. The last name Dudko is habitual in Belarus, where it is quite a common surname, Ukraine, and Latvia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Russia, Ukraine, and Belarus. Much less frequently, Dudko is the forename as well as the last name.