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Cognomen الصديق (Sidik , الصديق , Siddiq ) , across the world, is a widespread family name. The family name الصديق is characteristic of Sudan, where it is a common surname, Bahrain, where it is quite a common surname, and Indonesia (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Indonesia, Sudan, and Pakistan. Likewise, الصديق is the forename as well as the last name.