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Family name Khlong (คลอง , Khlong , ขล้ง) , in the entire world, is a very rare cognomen. The last name Khlong is characteristic of Malaysia, where it is a very rare surname, Thailand, and India, where it is an extremely rare surname. Much more prevalently, Khlong is the forename as well as the last name.
Pao, Saengthong, Thonglerk, Thepsuwan, Khongkaeo, Kongnurat, Chankhong, Thongsri, Promkosri, Pataradulpitak, Khongain, Kaewsuksai, Kaeokham, Nuichawadi, Rungsil, Rangsil, Sookkue, Mankong, Tupsai, Thepla, Latine, Bunram, Mali, Mankhong, and Phithakthae