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In the world, พลรัตน์ (พลรัตน์ , Ponrat , Ponnrat ) is a rare predominantly male, but very seldom feminine first name. The forename พลรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare principally male, but very seldom female name. Likewise, พลรัตน์ is the last name as well as the forename.