Keith Nelson (born c. 1970) is an American former basketball player who is best known for his collegiate career.
After spending his first two season playing at a junior college, Nelson took his game to the University of Tennessee at Chattanooga (Chattanooga) in the fall of 1990. He spent two seasons playing at the Southern Conference school, an NCAA Division I institution. In just two seasons he scored 1,047 points, led the Mocs in scoring and rebounding both seasons, and was named the conference co-player of the year as a senior. Nelson, a center, was also a two-time First Team All-SoCon performer who guided Chattanooga to back-to-back co-SoCon regular season championships. His career 9.2 rebounds per game average is tops all-time in school history. In 2004, the university inducted him into their athletics hall of fame.