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Cognomen Piyarat (Piyarat , ปิยะรัตน์ , ปิยรัตน์ ) , all around the world, is quite a rare family name. The family name Piyarat is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, Indonesia, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Thailand, Indonesia, and China. Predominantly, Piyarat is the forename as well as the last name.
Plyduang, Pholyaret, Phutijun, Phetsang, Puttasit, Pummarin, Tipteerasri, Siriyanukorn, Suttimala, Srisawang, Chanmetha, Chueachot, Rinsantia, Ruengmanee, Jitprasert, Tassaropas, Tiyapairat, Nanthasean, Kulpakdeesingworn, Pongpataravit, Treevoravit, Sukumarapun, Phongsai, Premanoch, Komemoonmuang, Kasemsap, Injun, Musiga, Auesalung, Churod, Kumsri, Panlee, Phinit, Ganlar, Inaram, Mungsin, Chowprayoon, Sikhong, Kankaew, Ketmaro, Penghnu, Piakong, Wannahjak, Surapruk, Suttirak, Srisakda, Cheadchoo, Kateduang, Ardwichai, and Limwattanachai