2003 NCAA Division I softball tournament
The 2003 NCAA Division I softball tournament was the twenty-second annual tournament to determine the national champion of NCAA women's collegiate softball. Held during May 2003, sixty-four Division I college softball teams contested the championship. The tournament featured eight regionals of eight teams, each in a double elimination format. The 2003 Women's College World Series was held in Oklahoma City, Oklahoma from May 22 through May 25 and marked the conclusion of the 2003 NCAA Division I softball season. [2003 2003 UCLA Bruins softball team|UCLA Bruins softball team|UCLA] won their tenth NCAA championship and eleventh overall by defeating [2003 2003 California Golden Bears softball team|California Golden Bears softball team|California] 1–0 in the final game. UCLA pitcher Keira Goerl, who threw a no-hitter in the final game, was named Women's College World Series Most Outstanding Player.
Regionals
Regional No. 1 (Tucson, AZ)
''Opening Round''Women's College World Series
Participants
| School | Conference | Record | Head coach | WCWS appearances† |
| Pac-10 | 56-7 | Mike Candrea | 16 | |
| SEC | 49-21 | Patrick Murphy | 2 | |
| California | Pac-10 | 49-20 | Diane Ninemire | 9 |
| Sun Belt | 47-11 | Michael Lotief | 4 | |
| Big 12 | 47-14 | Patty Gasso | 4 | |
| Big 12 | 47-9 | Connie Clark | 2 | |
| UCLA | Pac-10 | 53-7 | Sue Enquist | 20* |
| Pac-10 | 47-16-1 | Teresa Wilson | 6 |
*: Excludes UCLA's vacated 1995 WCWS participation.
†: Excludes results of the pre-NCAA Women's College World Series of 1969 through 1981.
Bracket
Game results
| Date | Game | Winner | Score | Loser | Notes |
| 5/22/2003 | Game 01 | Arizona | 3 - 2 | Alabama | |
| 5/22/2003 | Game 02 | Washington | 3 - 1 | Oklahoma | |
| 5/22/2003 | Game 03 | Texas | 3 - 2 | Louisiana-Lafayette | |
| 5/22/2003 | Game 04 | California | 7 - 3 | UCLA | 10 Innings |
| 5/23/2003 | Game 05 | Arizona | 2 - 1 | Washington | |
| 5/23/2003 | Game 06 | Texas | 1 - 0 | California | |
| 5/24/2003 | Game 07 | Oklahoma | 6 - 3 | Alabama | 9 Innings Alabama eliminated |
| 5/24/2003 | Game 08 | UCLA | 5 - 1 | Louisiana-Lafayette | Louisiana-Lafayette eliminated |
| 5/24/2003 | Game 09 | California | 5 - 2 | Oklahoma | Oklahoma eliminated |
| 5/24/2003 | Game 10 | UCLA | 2 - 1 | Washington | Washington eliminated |
| 5/25/2003 | Game 11 | California | 2 - 1 | Arizona | 12 Innings. California forces the If Necessary Game, and will be designated as the visiting team for that game. |
| 5/25/2003 | Game 12 | UCLA | 3 - 0 | Texas | UCLA forces the If Necessary Game, and will be designated as the visiting team for that game. |
| 5/25/2003 | Game 13 | California | 4 - 1 | Arizona | Arizona eliminated |
| 5/25/2003 | Game 14 | UCLA | 2 - 1 | Texas | Texas eliminated |
| 5/26/2003 | Championship game | UCLA | 1 - 0 | California | 9 Innings UCLA Wins 2003 WCWS |
Championship game
| School | Top Batter | Stats. |
| UCLA | Toria Auelua | 2-4 RBI K |
| California | Veronica Nelson | 3BBs |
| School | Pitcher | IP | H | R | ER | BB | SO | AB | BF |
| UCLA | Keira Goerl | 9.0 | 0 | 0 | 0 | 4 | 4 | 27 | 32 |
| California | Kelly Anderson | 9.0 | 6 | 1 | 1 | 4 | 5 | 31 | 37 |
All-Tournament Team
The following players were members of the All-Tournament Team:| Position | Player | Class | School |
| Pitcher | Kelly Anderson | Sophomore | California |
| Pitcher | Alicia Hollowell | Freshman | Arizona |
| Pitcher | Cat Osterman | Sophomore | Texas |
| 1st Base | Veronica Nelson | Senior | California |
| Shortstop | Lovie Jung | Senior | Arizona |
| Shortstop | Chelsea Spencer | Sophomore | California |
| Shortstop | Natasha Watley | Senior | UCLA |
| 3rd Base | Vicky Galindo | Sophomore | California |
| 3rd Base | Tairia Mims | Senior | UCLA |
| Outfield | Tamara Poppe | Junior | Texas |
| Designated Player | Jennifer Stump | Senior | Oklahoma |
| Most Outstanding Player | Keira Goerl | Junior | UCLA |