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Last name גולקו (Gulko , גולקו ) , across the world, is a rare family name. The cognomen גולקו is habitual in Bermuda, where it is quite a rare surname, Latvia, and Israel. Not in comparison with a country's population, it is the most numerous in the United States, Israel, and Latvia. Much less frequently, גולקו is the forename as well as the last name.