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Worldwide, Lann (Lann , ลาน , Ланн ) is a rare unisex forename. The first name Lann is habitual in South-eastern Asia, particularly Thailand, where it is a rare unisex name, Myanmar, where it is a very rare masculine name, and Malaysia. Measured by absolute frequency, it is the most numerous in Thailand, the United States, and Indonesia. Also, Lann is the last name as well as the forename.