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Globally, Rungsak (Rungsak , รุ่งศักดิ์) is a rare masculine forename. The given name Rungsak is habitual in South-eastern Asia, particularly Thailand, where it is a rare male name. Much less frequently, Rungsak is the last name as well as the forename.
Ray, Sodchuen, Bandornsak, Kirdsang, Thongsri, Warivong, Wongkuru, Saengsiengfa, Siriniyomchai, Suttiwaree, Chanchana, Repheephattana, Jitchalad, Sanguonpeuk, Srisuntornsiri, Chanchuphet, Chatchonnabot, Rintharasri, Thepchaito, Wongsawang, Santinantarak, Sanguanphuak, Sukchumphon, Siwanuwatn, Wanaelo, Oonboonpong, Imnak, Sisuai, Srisuk, Buntem, Dokbua, Mingson, Mingsorn, Sanaset, Saeaung, Saewang, Sunthonkiti, Cunaviriyasiri, Kamkeaw, Khuntip, Parawan, Poonsin, Piyarat, Jakkhukusol, Josakun, Thonbuddee, Nakbubpha, Hunthai, Boonmak, and Rapheephattana