Cognomen คูณพิพัฒน์ (คูณพิพัฒน์ 
) , worldwide, is an extremely rare last name. The last name คูณพิพัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, คูณพิพัฒน์ is the forename as well as the last name.