Ian DeWitt Lockhart (born June 25, 1967 in Nassau, Bahamas) is a Bahamian former professional basketball player. Listed at 6'8" (203 cm) and 240 lbs (109 kg), he was a forward and played collegiately at the University of Tennessee in Tennessee, United States. He last played for the Piratas de Quebradillas.
Lockhart was signed by the Phoenix Suns on September 6, 1990. He played one game, scoring four points in 2 minutes of play. The next season, on August 6, 1991, he signed with Cholet, in France.