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Family name Prapaipak (ประไพพักตร์ , Prapaipak , ประไพภักดิ์ ) , in the entire world, is a rare last name. The last name Prapaipak is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, Prapaipak is the forename as well as the last name.
Samak, Khamparat, Chumpolwong, Chonlahan, Aroonchai, Wangpram, Seemabat, Panpongkamol, Mokarapong, Khotpong, Kaonaul, Kamkerd, Seamthong, Raknak, Suwan, Prongdong, and Puthiyothin