| Official Name: | Mahoning Furnace, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania |
| Pushpin Label: | Mahoning Furnace |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Armstrong |
| Subdivision Type3: | Township |
| Subdivision Name3: | Mahoning |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 879 |
| Coordinates: | 40.9458°N -79.3642°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1200799 |
Mahoning Furnace is an unincorporated community in Mahoning Township, Armstrong County, Pennsylvania, United States.[1] [2] The community is located on Pennsylvania Route 28, south-southwest of New Bethlehem near Mahoning creek.
Mahoning Furnace is the location where a steam, cold-blast, charcoal furnace, was erected by Alexander and John A. Colwell in the summer of 1845.[3] A post office called Mahoning Furnace was established in 1877 and remained in operation until 1886.[4]