The 2003 Major League Lacrosse season was the third season of the league. The season began on May 31 and concluded with the championship game on August 24, 2003.
Schedule was reduced from 14 to 12 games.
Baltimore moved their games to Homewood Field. Long Island moved theirs to Mitchel Athletic Complex and Rochester moved theirs to Bishop Kearney Field.
August 17: The first-ever cancellation of an MLL game occurred when rains forced the Baltimore Bayhawks and Long Island Lizards to cancel their game at Mitchel Field.
The league signed a national television agreement with ESPN2.
W = Wins, L = Losses, PCT= Winning Percentage, PF= Points For, PA = Points Against
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<nowiki>*</nowiki>The August 17 game between Baltimore at Long Island was canceled due to weather.
July 17, 2003
Semifinals August 22, 2003
MLL Championship August 24, 2003
Kevin Lowe was named most valuable player of the championship game after scoring the winning goal in sudden death overtime.
The MLL gave out awards weekly for the best offensive player, best defensive player and best rookie.