Mark Giles Davis (born June 8, 1963) is a retired American professional basketball player. He is a 6'6" (1.98 m) and 195 lb (88 kg). He was a forward and he attended Great Bridge High School in Chesapeake, Virginia, where he was born. He played collegiately at Old Dominion University. Davis was selected with the 9th pick of the fourth round of the 1985 NBA draft by the Cleveland Cavaliers. In his only NBA season (1988-89) in which he spent time with the Milwaukee Bucks (31 games) and Phoenix Suns (2 games), he averaged 3.8 points and 1.1 rebounds per game.