Throughout the world, อุบลวรรณ์ (อุบลวรรณ์ 
) is a rare dominantly female, but uncommonly male first name. The first name อุบลวรรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare largely girly, but uncommonly boy's name. Much less frequently, อุบลวรรณ์ is the last name as well as the forename.