Last name ทองเพิ่ม (Thongphoem 
, ทองเพิ่ม, Thongpoem ) , all around the world, is a very rare surname. The cognomen ทองเพิ่ม is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ทองเพิ่ม is the forename as well as the last name.