Surname พลวิรัตน์ (Ponwirat 
, พลวิรัตน์ , Phonwirat) , globally, is an extremely rare last name. The cognomen พลวิรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, พลวิรัตน์ is the forename as well as the last name.