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Last name Kongsak (คงศักดิ์ , Kongsak , กองศักดิ์ ) , around the globe, is a rare family name. The surname Kongsak is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname, and Cambodia, where it is a very rare surname. More prevalently, Kongsak is the forename as well as the last name.
Vijit, Thathawisut, Yongmuang, Yenyodvichai, Saenjaibarn, Senprasertsong, Srikheelek, Chooraman, Khotpanya, Thammasut, Trakarnpinit, Narkpradit, Eiamrattanachai, Wutthisin, Chaiprateep, Chailungka, Chakornviroj, Rujimethabhas, Dulyapraphant, Limmahakul, Techawibunphon, Nimitkasem, Dannarin, Kingkaew, Khoopongsakorn, Khamngam, Maijan, Singha, Nernnoo, Improm, Maidang, Meekaew, Saekong, Sinraksa, Supalak, Soisena, Kongtaweekul, Kawilai, Khampan, Kulwong, Ruamsap, Jinwiriya, Namsiri, Sudsaard, Sutanonpaiboon, Srisaket, Kongdoung, Kosanwit, Kongpan, and Kaewsuriyathamrong