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Surname Bylym (Билим , Bylym , Билым ) , across the world, is a rare family name. The family name Bylym is characteristic of Kyrgyzstan, where it is quite a rare surname, Ukraine, where it is a rare surname, and Belarus. Measured by absolute frequency, it is commonest in Ukraine, Russia, and Kyrgyzstan. Likewise, Bylym is the forename as well as the last name.