1991 NCAA Division I field hockey tournament

The 1991 NCAA Division I field hockey tournament was the 11th annual single-elimination tournament hosted by the National Collegiate Athletic Association to determine the national champion of women's collegiate field hockey among its Division I members in the United States, the culmination of the 1991 NCAA Division I field hockey season.

In a rematch of the previous two years' finals, Old Dominion won their sixth championship, defeating North Carolina in the final, 2–0.

The championship rounds were held at Villanova Stadium on the campus of Villanova University in Villanova, Pennsylvania.

Bracket

 * † = Penalty shoot-out
 * * = Overtime period