| Official Name: | Muff, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania |
| Pushpin Label: | Muff |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Armstrong |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1499 |
| Coordinates: | 40.8844°N -79.3381°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1204242 |
Muff is an unincorporated community in Armstrong County, Pennsylvania, United States. The highest natural point in Armstrong County is located near Muff.[1]
A post office called Muff was established in 1879, and remained in operation until it was discontinued in 1908.[2] A variant name is "Snyderville".