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Last name ไกรโรจน์ (ไกรโรจน์ , Kairot , Krairot ) , worldwide, is a rare cognomen. The last name ไกรโรจน์ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, ไกรโรจน์ is the forename as well as the last name.