Around the world, ถวิลวงค์ (ถวิลวงค์ 
) is a very rare dominantly female, but seldom boy's first name. The forename ถวิลวงค์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare principally female, but very infrequently masculine name. Likewise, ถวิลวงค์ is the last name as well as the forename.