1990 NCAA Division I men's tennis championships

The 1990 NCAA Division I Tennis Championships were the 44th annual championships to determine the national champions of NCAA Division I men's singles, doubles, and team collegiate tennis in the United States.

For the third consecutive year, Stanford claimed the men's team national title, the Cardinal's eleventh overall.

Host sites
The men's tournaments were played in Los Angeles, California, hosted by the University of Southern California. The men's and women's tournaments would not be held at the same site until 2006.