National Register of Historic Places listings in Brown County, South Dakota

This is a list of the National Register of Historic Places listings in Brown County, South Dakota.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Brown County, South Dakota, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.

There are 46 properties and districts listed on the National Register in the county. Another property was once listed but has since been removed

This National Park Service list is complete through NPS recent listings posted April 11, 2025.