Montgomery County Jail and Sheriff's Residence is a historic jail and sheriff's residence located at Crawfordsville, Indiana. It was built in 1882 in two sections, and is a -story, red brick and limestone building in a combination of Italianate, Gothic Revival, and Romanesque Revival style architecture. The jail is a rotary jail; it is the only example of this type in Indiana and one of two left in the United States. The building houses a local history and prison museum.
It was listed on the National Register of Historic Places in 1975, and was designated a National Historic Landmark in 2023. It is located in the Crawfordsville Commercial Historic District.