The 2003 NCAA Division I baseball season, play of college baseball in the United States organized by the National Collegiate Athletic Association (NCAA) at the Division I level, began on January 16, 2003.
The College World Series, which consisted of the eight remaining teams in the NCAA tournament, was held in its annual location of Omaha, Nebraska, at Rosenblatt Stadium.
[7] Sacramento State, which had been a member of the Big West Conference, became a Division I independent.
The 2003 season marked the fifty seventh NCAA baseball tournament, which culminated with the eight team College World Series.
The eight teams played a double-elimination format, with Rice claiming their first championship with a two games to one series win over Stanford in the final.