| Most recent season or competition: 2025 Junior League World Series | |
| Sport | Baseball |
|---|---|
| Founded | 1981 |
| No. of teams | 12 |
| Country |  United States |
Most recent champions |  Santa Rosa, Northern California |
| Most titles | Southern California (18) |
The Junior League World Series West Region is one of six United States regions that currently sends teams to the World Series in Taylor, Michigan. The region's participation in the JLWS dates back to 1981. It has produced the most JLWS championships (11) by any region.
West Region States
Region Champions
As of the 2025 Junior League World Series.
Results by State
As of the 2025 Junior League World Series.
| State | Region Championships | JLWS Championships | Record | PCT |
|---|---|---|---|---|
| Southern California | 18 | 5 | 52–30 | .634 |
 Hawaii | 17 | 4 | 48–26 | .649 |
 Arizona | 4 | 2 | 19–5 | .792 |
| Northern California | 3 | 0 | 4–6 | .400 |
 Nevada | 1 | 4–2 | .667 | |
| Total | 43 | 11 | 127–69 | .648 |
See also
West Region in other Little League divisions