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Cognomen โชติศักดิ์ (โชติศักดิ์ , Chotsak , Chotisak ) , in the world, is a rare family name. The family name โชติศักดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, โชติศักดิ์ is the forename as well as the last name.