Mid-Island Little League, Staten Island, New York (2) Council Rock Newtown Little League, Newtown, Pennsylvania (2) The Mid-Atlantic Region is one of ten United States regions that currently sends teams to the Little League World Series, the largest youth baseball tournament in the world.

However, when the LLWS doubled in size from eight to 16 teams in 2001, with the number of US teams expanding from four to eight, the East Region was split into the New England and Mid-Atlantic Regions.

The Mid-Atlantic Region consists of Washington, D.C., and three Mid-Atlantic states: Following the 2021 LLWS, New Jersey and New York has been moved to a newly created Metro Region.

This expansion was originally scheduled to occur for 2021, but was delayed to 2022 due to the COVID-19 pandemic.

Italics indicates the state is no longer a member of the Mid-Atlantic Region.