Sen. Walter Lowrie House | |
 Sen. Walter Lowrie House | |
   | |
| Location | W. Diamond and S. Jackson Sts., Butler, Pennsylvania |
|---|---|
| Coordinates | 40°51′30″N 79°53′47″W / 40.85833°N 79.89639°W |
| Built | 1828 |
| NRHP reference No. | 79002177[1] |
| Added to NRHP | May 1, 1979 |
The Senator Walter Lowrie Shaw House is an historic home located in downtown Butler, Butler County, Pennsylvania, United States. Considered the last of its kind in the city of Butler, it is known in the area for being the home of Butler's only United States Senator, Walter Lowrie.
Situated behind the Butler County Courthouse, it houses the Butler County Historical Society's office, and is maintained as a museum by the Society.