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Cognomen Opik (Opik , Опик , Епік ) , across the world, is quite a rare surname. The cognomen Opik is characteristic of Estonia, where it is quite a rare surname, Indonesia, and Ukraine, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, Ukraine, and Saudi Arabia. More prevalently, Opik is the forename as well as the last name.