| Blair County Courthouse | |
| Location: | 423 Allegheny St., Hollidaysburg, Pennsylvania |
| Coordinates: | 40.4303°N -78.3925°W |
| Mapframe: | yes |
| Mapframe-Marker: | building |
| Mapframe-Zoom: | 12 |
| Mapframe-Caption: | Interactive map showing the location of Blair County Courthouse |
| Built: | 1876, 1906 |
| Architect: | Gendell, David S. |
| Architecture: | Gothic Revival |
| Added: | June 17, 1976 |
| Refnum: | 76001606 |
Blair County Courthouse is a historic courthouse building located at Hollidaysburg, Blair County, Pennsylvania. It was built in 1875–1876, and is a T-shaped stone building in the Gothic Revival style. The entrance is flanked by two square, three-story towers with truncated pyramidal roofs. The building generally features elaborate stonework and a five-story clock tower topped by a tall stone spire. A three-story rear addition was built in 1906.[1]
It was added to the National Register of Historic Places in 1976.