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Surname Phirayut (พีระยุทธ , Phirayut , ภีรยุทธ ) , throughout the world, is a very rare cognomen. The cognomen Phirayut is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Phirayut is the forename as well as the last name.
Suwan, Mohpichai, Pleenuch, Mohphichai, Samader, Sutthonglang, Detdecho, Ngosanthia, Chatphueak, Phirasukprasert, Ouitrakul, Srisomphop, Tatiyanukun, Thiengtham, Trakunpanit, and Khamphukhiao