| Grant County Courthouse | |
| Location: | Park Ave. and Main St., Milbank, South Dakota |
| Coordinates: | 45.2175°N -96.6356°W |
| Built: | 1915 |
| Architect: | Bell & Bentley |
| Architecture: | Classical Revival |
| Added: | February 10, 1993 |
| Mpsub: | County Courthouses of South Dakota MPS |
| Refnum: | 92001858 |
The Grant County Courthouse is an historic building located at Park Avenue and Main Street in Milbank, South Dakota. It was built in 1915 in the Classical Revival style and was designed by architects Bell & Bentley of Minneapolis,[1] who also designed the South Dakota State Capitol in Pierre.[2]
On February 10, 1993, it was added to the National Register of Historic Places.