The 2003 Little League World Series took place between August 15 and August 24 in South Williamsport, Pennsylvania. The Musashi-Fuchu Little League of Tokyo, Japan, defeated the East Boynton Beach Little League of Boynton Beach, Florida, in the championship game of the 57th Little League World Series.

Notable players

The following LLWS players later appeared in Major League Baseball (MLB):

Teams

Between five and twelve qualification games took part in 16 regional qualification tournaments, which varied in format depending on region. In the United States, the qualification tournaments were in the same format as the Little League World Series itself: a round-robin tournament followed by an elimination round to determine the regional champion.

Pool play

The top two teams in each pool moved on to their respective semifinals. The winners of each met on August 24 to play for the Little League world championship. August 15 August 16 August 17 August 18 August 19

International

August 15 August 16 August 17 August 18 August 19

Elimination rounds