Cognomen ธุววิทย์ (Tuvawit 
, Thuwawit , ธุววิทย์ ) , in the world, is a rare last name. The surname ธุววิทย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ธุววิทย์ is the forename as well as the last name.