| 1991 NCAA Division I softball season | |
|---|---|
| Defending Champions | UCLA |
| Tournament | |
| Women's College World Series | |
| Duration | May 23–26, 1991 |
| Champions | Arizona (1st title) |
| Runners-up | UCLA (9th WCWS Appearance) |
| Winning Coach | Mike Candrea (1st title) |
| Seasons | |
The 1991 NCAA Division I softball season, play of college softball in the United States organized by the National Collegiate Athletic Association (NCAA) at the Division I level, began in February 1991. The season progressed through the regular season, many conference tournaments and championship series, and concluded with the 1991 NCAA Division I softball tournament and 1991 Women's College World Series. The Women's College World Series, consisting of the eight remaining teams in the NCAA Tournament and held in Oklahoma City at ASA Hall of Fame Stadium, ended on May 26, 1991.