2003 NCAA Division I men's lacrosse tournament

The 2003 NCAA Division I lacrosse tournament was the 33rd annual tournament hosted by the National Collegiate Athletic Association to determine the team champion of men's college lacrosse among its Division I programs, held at the end of the 2003 NCAA Division I men's lacrosse season.

Virginia won the championship with a 9–7 win over top-ranked Johns Hopkins. The Cavaliers, led by A.J. Shannon, Chris Rotelli and Matt Ward, won their third NCAA championship.

Virginia was able to hang to an 8–5 lead to close out the 3rd quarter. Rotelli led all scorers with one goal and four assists in the finals for the Cavaliers, while Kyle Barrie led Johns Hopkins with one goal and one assist. Virginia goalie Tillman Johnson was the unsung hero of the contest, with 13 saves in the game for a .650 save percentage. He was named the Most Outstanding Player for this tournament. Virginia closed out the season with a 15-2 record, and Johnson closed out his career as Virginia's all-time leader in saves with 204.

The championship game was played at M&T Bank Stadium, the home of the NFL's Baltimore Ravens, in Baltimore, Maryland in front of 37,944 fans.

Qualifying
Sixteen NCAA Division I college men's lacrosse teams met after having played their way through a regular season, and for some, a conference tournament.

Albany, Dartmouth, Mount St. Mary's, Ohio State, and Penn State made their debut appearances in the Division I men's lacrosse tournament.

Bracket

 * * = Overtime