1991 NCAA Division I men's tennis championships

The 1991 NCAA Division I Tennis Championships were the 45th annual championships to determine the national champions of NCAA Division I men's singles, doubles, and team collegiate tennis in the United States.

USC defeated hosts Georgia in the championship final, 5–2, to claim the Trojans' thirteen team national title.

Host sites
The men's tournaments were played at the Dan Magill Tennis Complex in Athens, Georgia, hosted by the University of Georgia.

The men's and women's tournaments would not be held at the same site until 2006.