Last name เกตุพงศ์ (เกตุพงศ์ 
, Katepong , Ketupong) , across the world, is a very rare cognomen. The family name เกตุพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, เกตุพงศ์ is the forename as well as the last name.