Grant County Courthouse (Wisconsin)

Grant County Courthouse
U.S. National Register of Historic Places
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Location	126 W. Main St., Lancaster, Wisconsin
Coordinates	42°50′51″N 90°42′36″W / 42.84750°N 90.71000°W / 42.84750; -90.71000Coordinates: 42°50′51″N 90°42′36″W / 42.84750°N 90.71000°W / 42.84750; -90.71000
Area	1.6 acres (0.65 ha)
Built	1902
Architect	Armand D. Koch
Artist (murals)	Franz E. Rohrbeck
Architectural style	Classical Revival
NRHP Reference #	78000096
Added to NRHP	October 19, 1978

The Grant County Courthouse, built in 1902, is an historic glass-and-copper-domed county courthouse building located at 126 West Main Street in Lancaster, Wisconsin. Designed by Armand D. Koch in the Classical Revival style, it was built of red sandstone.

Murals decorating the four spandrels under the dome were done by Franz E. Rohrbeck.

On October 19, 1978, it was added to the National Register of Historic Places.