Lorenzo Duncan (born January 15, 1963) is an American former professional basketball player who had been named an All-Star in the British Basketball League during the 1988–89 season. In college, he competed for Alabama–Huntsville and Sam Houston State. Duncan was a four-time first-team all-conference selection and won two conference player of the year awards: the 1983 Southern States Conference Player of the Year and the 1986 Gulf Star Conference Player of the Year.