| Official Name: | Mosgrove, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania |
| Pushpin Label: | Mosgrove |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Armstrong |
| Subdivision Type3: | Township |
| Subdivision Name3: | Rayburn |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 978 |
| Coordinates: | 40.8689°N -79.4753°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1181608 |
Mosgrove is an unincorporated community in Rayburn Township, Armstrong County, Pennsylvania, United States. The community lies along the east side of the Allegheny River, north of Kittanning via Pennsylvania Route 66.
A post office called Mosgrove was established in 1886 and remained in operation until 1938.[1]