Cognomen พนมภูมิ (พนมภูมิ 
, Phanomphum , Phanomphoom) , in the world, is a very rare family name. The family name พนมภูมิ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, พนมภูมิ is the forename as well as the last name.