Last name บุญเทา (บุญเทา 
, Buntao 
, Bunthao ) , all around the world, is a rare surname. The cognomen บุญเทา is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, Philippines, and Indonesia, where it is a very rare surname. Much less frequently, บุญเทา is the forename as well as the last name.