| Official Name: | Reduction, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Westmoreland |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 919 |
| Coordinates: | 40.1836°N -79.7708°W |
| Area Code: | 724 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1184816 |
Reduction (also Flynns) is an unincorporated community in South Huntingdon Township, Westmoreland County, Pennsylvania. United States. The community is located on the Youghiogheny River. Its population is 60, down from a peak of 400.
American Reduction Company, a garbage processing company, founded the community to provide housing for its workers at a local garbage plant. The plant closed in 1936, and in 1948, John Stawovy bought the town for $10,000. Their son David put the community up for sale again in 2017.[1]