Throughout the world, Uthaiphan (อุทัยพรรณ 
, อุทัยพันธ์ , Uthaiphan ) is a very rare mostly female, but uncommonly masculine first name. The first name Uthaiphan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare dominantly girly, but infrequently male name. Likewise, Uthaiphan is the last name as well as the forename.