In the world, กุลวสุ (Kulwasu 
, กุลวสุ ) is a very rare primarily female, but very seldom male forename. The first name กุลวสุ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare primarily female, but very seldom boy's name. Very seldom, กุลวสุ is the last name as well as the forename.