1991 Arizona Wildcats softball team

The 1991 Arizona Wildcats softball team represented the University of Arizona in the 1991 NCAA Division I softball season. The Wildcats were coached by Mike Candrea, who led his sixth season. The Wildcats finished with a record of 56–16. They competed in the Pacific-10 Conference, where they finished fourth with a 11–9 record.

The Wildcats were invited to the 1991 NCAA Division I softball tournament, where they swept the West Regional and then completed a run through the Women's College World Series to claim their first NCAA Women's College World Series Championship and first women's team championship in school history. This title would start a run of eight WCWS championships over seventeen seasons and lead to recognition as one of the top programs in the nation.