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Family name Javan (جوان , Javan , Джаван ) , worldwide, is a common last name. The last name Javan is characteristic of Iraq, where it is quite a common surname, Iran, and Syria, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Iran, Iraq, and India. More prevalently, Javan is the forename as well as the last name.