Adrian Bernard Caldwell (born July 4, 1966) is a retired American professional basketball player, who had a career in the National Basketball Association (NBA) from 1989 to 1997. An undersized center (2.05 m), Caldwell attended Southern Methodist University and Lamar University, both in Texas. Undrafted in 1989, he then played professionally for five NBA teams including the Houston Rockets, Indiana Pacers, New Jersey Nets, Philadelphia 76ers, and Dallas Mavericks.