Family name กุลวิบูลย์ (กุลวิบูลย์ 
, Kunviboon , Kulvibool ) , around the world, is a very rare surname. The last name กุลวิบูลย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, กุลวิบูลย์ is the forename as well as the last name.