Family name อุดมวรรณ์ (อุดมวรรณ์ 
) , in all the world, is an extremely rare surname. The family name อุดมวรรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, อุดมวรรณ์ is the forename as well as the last name.