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Surname دوانی (Davani , دوانی ) , worldwide, is a common cognomen. The family name دوانی is habitual in Papua New Guinea, where it is quite a rare surname, India, where it is a rare surname, and Israel. Measured by absolute frequency, it is the most numerous in India, Iran, and the United States. Very seldom, دوانی is the forename as well as the last name.