Family name ธาราบุตร (Tarabut 
, ธาราบุตร , Tharabutr) , across the world, is a very rare last name. The surname ธาราบุตร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ธาราบุตร is the forename as well as the last name.