The 1983 Little League World Series took place between August 23 and August 27 in South Williamsport, Pennsylvania.

The East Marietta National Little League of Marietta, Georgia, defeated the Liquito Hernandez Little League of Barahona, Dominican Republic, in the championship game of the 37th Little League World Series.

The championship game did not feature a team from Taiwan for the first time since 1976.

Their six consecutive finals appearances remain a record by one country or U.S. state.

The East Marietta National LL had an undefeated record of 11–0 to reach the LLWS.