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Cognomen Öncü (Öncü
) , around the globe, is a common surname. The surname Öncü is characteristic of Turkey, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Austria, where it is a rare surname. Not in comparison with a country's population, the name is most common in Turkey, Germany, and Austria. Much less frequently, Öncü is the forename as well as the last name.