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Surname 吉男 (Jinan , 吉男 ) , worldwide, is quite a common cognomen. The surname 吉男 is habitual in Maldives, where it is quite a common surname, Morocco, where it is quite a rare surname, and Lebanon. Measured by absolute frequency, it is commonest in Morocco, Indonesia, and Japan. Predominantly, 吉男 is the forename as well as the last name.