Family name เทียมพงศ์ (เทียมพงศ์ 
, Thiamphong , Thiempong ) , globally, is a very rare cognomen. The surname เทียมพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, เทียมพงศ์ is the forename as well as the last name.