2003 Big 12 Conference softball tournament
The 2003 Big 12 Conference softball tournament was held at ASA Hall of Fame Stadium in Oklahoma City, OK from May 1 through May 4, 2003. Texas won their third conference tournament and earned the Big 12 Conference's automatic bid to the 2003 NCAA Division I softball tournament.
,,,, and received bids to the NCAA tournament. Texas and Oklahoma would go on to play in the 2003 Women's College World Series.
Standings
Source:| Place | Seed | Team | Conference | Conference | Conference | Overall | Overall | Overall |
| Place | Seed | Team | W | L | % | W | L | % |
| 1 | 1 | 15 | 2 | 49 | 9 | |||
| 2 | 2 | 13 | 5 | 39 | 15 | |||
| 3 | 3 | 12 | 5 | 31 | 20 | |||
| 4 | 4 | 12 | 6 | 47 | 14 | |||
| 5 | 5 | 10 | 8 | 38 | 22 | |||
| 5 | 6 | 10 | 8 | 39 | 17 | |||
| 7 | 7 | 6 | 12 | 19 | 28 | |||
| 8 | 8 | 4 | 14 | 22 | 41 | |||
| 8 | 9 | 4 | 14 | 26 | 22 | |||
| 10 | 10 | 3 | 15 | 31 | 29 |
Schedule
Source:All-Tournament Team
Source:| Position | Player | School |
| MOP | Cat Osterman | |
| 1B | Sheena Lawrick | |
| 2B/OF | Lindsay Gardner | |
| SS | Stephanie Nicholson | |
| IF | Kelli Braitsch | |
| C | Ryan Realmuto | |
| OF | Kristin Vesely | |
| OF | Megan Carey | |
| OF | Tina Boutelle | |
| OF | Sarah Wieszczak | |
| P | Cat Osterman | |
| P | Peaches James | |
| P/1B | Kami Keiter |