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Family name Prapak (ประภักดิ์ , Prapak ) , around the globe, is a very rare last name. The surname Prapak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Prapak is the forename as well as the last name.
Khadka, Jitsai, Khiewdum, Boonserm, Promchan, Vichienchai, Vongtongtaw, Panyachatpond, Wongtongtao, and Khwanchairat