1991 NCAA Division I women's tennis championships

The 1991 NCAA Division I women's tennis championships were the 10th annual championships hosted by the NCAA to determine the team, singles, and doubles national champions of women's college tennis among its Division I members in the United States, held at the end of the 1991 NCAA Division I women's tennis season.

These championships were hosted by Stanford University at the Stanford Tennis Stadium in Stanford, California between May 11–15, 1991.

Stanford defeated UCLA, 5–1, in the championship match to win their eighth overall and sixth consecutive team title.