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Worldwide, ข้าวขวัญ (Khanogwan , Khaekwan , ข้าวขวัญ) is an extremely rare unknown gender forename. More prevalently, ข้าวขวัญ is the last name as well as the forename.
Kaokwaun, Khaikhwan, Khaikwan, Khaokhwan, and Khawkhwan