The Mountain Region is one of ten United States regions that currently send teams to the Little League World Series, the largest youth baseball competition in the world.

[1] The Mountain Region is made up of five states.

The list below lists each state's participant in the Mountain Little League Region Tournament.

In December, 2023, it was announced that Colorado would be moved from the Southwest Region to the Mountain Region for the 2024 year and beyond.

[2] As of the 2024 Little League World Series.