In all the world, ตรีวรรณ (ตรีวรรณ 
, Treewan 
, Threerawan ) is a very rare dominantly female, but infrequently boy's forename. The given name ตรีวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare gender-neutral name. Likewise, ตรีวรรณ is the last name as well as the forename.