| Official Name: | Echo, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania |
| Pushpin Label: | Echo |
| 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: | 1125 |
| Coordinates: | 40.85°N -79.3272°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1203488 |
Echo is an unincorporated community in Armstrong County, Pennsylvania, United States.
A post office called Echo was established in 1857 and remained in operation until 1940.[1] According to tradition, the community was named from the echoes bouncing off nearby ridges.[2]