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Last name Raol (Raol , ראול , راول ) , across the world, is a rare family name. The family name Raol is characteristic of Sudan, where it is a rare surname, Israel, and Singapore, where it is a very rare surname. Not in comparison with a country's population, the name is most common in India, Sudan, and the United States. Likewise, Raol is the forename as well as the last name.