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Worldwide, Khalifah (خليفه , Khalifah , Халифа ) is a common primarily masculine, but scarcely feminine first name. The first name Khalifah is characteristic of Libya, where it is quite a common boy's name, Oman, and Sudan (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Northern Africa, particularly Sudan, Egypt, and Libya. More frequently, Khalifah is the last name as well as the forename.