This is a list of properties and districts listed on the National Register of Historic Places in Wisconsin. There are over 2,500 listed sites in Wisconsin. Each of the state's 72 counties has at least one listing on the National Register.

The National Register of Historic Places in the United States is a register including buildings, sites, structures, districts, and objects. The Register automatically includes all National Historic Landmarks as well as all historic areas administered by the U.S. National Park Service. Since its introduction in 1966, more than 90,000 separate listings have been added to the register.