Surname ภูวรัตน์ (ภูวรัตน์ 
, Phuwarat , Phuvarat ) , across the world, is a very rare cognomen. The cognomen ภูวรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, ภูวรัตน์ is the forename as well as the last name.