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Origin of the name Justin: From the Latin JustÄ«nus, which is derived from justus (lawful, right, just). From A World of Baby Names by Teresa Norman.
English Meaning: The name Justin is an English baby name. In English the meaning of the name Justin is: Just; upright; righteous. Form of New Testament Biblical name Justus. American Meaning: The name Justin is an American baby name. In American the meaning of the name Justin is: Just; upright; righteous.