The 1963 Little League World Series took place between August 20 and August 24 in South Williamsport, Pennsylvania. Granada Hills National Little League of Granada Hills, California, defeated Stratford Original Little League of Stratford, Connecticut, in the championship game of the 17th Little League World Series.

For the first time, the championship game was televised, as highlights were broadcast by ABC on Wide World of Sports. This was the third consecutive title for the state of California, which remains the longest winning streak by a U.S. state.