2003 NCAA Division I softball season

The 2003 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 January 2003. The season progressed through the regular season, many conference tournaments and championship series, and concluded with the 2003 NCAA Division I softball tournament and 2003 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, 2003.

Women's College World Series
The 2003 NCAA Women's College World Series took place from May 22 to May 26, 2003 in Oklahoma City.

Season leaders
Batting
 * Batting average: .490 – Amber Jackson, Bethune–Cookman Wildcats
 * RBIs: 79 – Lovieanne Jung, Arizona Wildcats
 * Home runs: 25 – Lovieanne Jung, Arizona Wildcats & Kristen Rivera, Washington Huskies

Pitching
 * Wins: 40-5 & 40-7 – Alicia Hollowell, Arizona Wildcats & Keira Goerl, UCLA Bruins
 * ERA: 0.37 (13 ER/242.2 IP) – Cat Osterman, Texas Longhorns
 * Strikeouts: 488 – Cat Osterman, Texas Longhorns

Records
Sophomore class single game RBIs: 11 – Stephanie Best, UCF Knights & Jackie Coburn, Arizona Wildcats; March 19 & May 10, 2003

Sophomore class strikeout ratio: 14.1 (488 SO/242.2 IP) – Cat Osterman, Texas Longhorns

Senior class walks: 107 – Veronica Nelson, California Golden Bears

Awards
Cat Osterman, Texas Longhorns
 * USA Softball Collegiate Player of the Year:

Natasha Watley, UCLA Bruins
 * Honda Sports Award Collegiate Woman Athlete of The Year:

Natasha Watley, UCLA Bruins
 * Honda Sports Award Softball:

All America Teams
The following players were members of the All-American Teams.

First Team

Second Team

Third Team