Cognomen พรสัมฤทธิ์ (พรสัมฤทธิ์ 
, Pornsumrit ) , across the world, is a very rare last name. The surname พรสัมฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, พรสัมฤทธิ์ is the forename as well as the last name.