Wisconsin - Significance region: Local
| Powell Place |
| Prairie du Chien City Hall |
| Prairie Du Chien Post Office |
| Prairie Spring Hotel |
| Prairie Street Historic District |
| Prange, Eliza, House |
| Pratt, Hannah, House |
| Pratt, John A., House |
| Prentice Boy Scout Cabin |
| Prentice Co-operative Creamery Company |
| Princeton Downtown Historic District |
| Pritzlaff, John, Hardware Company |
| Prospect Avenue Apartment Buildings Historic District |
| Prospect Avenue Mansions Historic District |
| Prospect Hill Historic District |
| Prospect Hill Historic District |
| Pruyn, Joel M., Block |
| Public School No. 27 |
| Public Sevice Building |
| Puerner Block-Breunig's Brewery |
| Pulaski Presbyterian Church Complex |
| Purdy, Willard D., Junior High and Vocational School |
| Pureair Sanatorium |
| Putnam, Jane E., Memorial Chapel |
| Putney Block |
| Putney, Frank H., House |
| Pythian Castle Lodge |
| Quarles, Charles, House |
| Quisling Towers Apartments |
| Racine Depot |
| Racine Elks Club, Lodge No. 252 |
| Racine Harbor Lighthouse and Life Saving Station |
| Racine Rubber Company Homes Historic District |
| Rainbow Cave |
| Randall, Adin, House |
| Randall Avenue Historic District |
| Randall, Brewster, House |
| Randall Park Historic District |
| Range Line Road Bridge |
| Rau, Charles, House |
| Read School |
| Reay Boathouse |
| Redwood Cottage |
| Reedsburg Brewery |
| Reedsburg Post Office |
| Reedsburg Woolen Mill Office |
| Reformed Presbyterian Church of Vernon |
| Regez, Jacob, Sr., House |
| Reichert, John, Farmhouse |
| Resthaven Hotel |
| Rest Haven Motel |
| Reynolds-Weed House |
| R. G. STEWART (Shipwreck) |
| Richards Hill Residential Historic District |
| Richardson-Brinkman Cobblestone House |
| Richardson Grout House |
| Richardson, Hamilton, House |
| Richland Center Archeological District |
| Richland Center City Auditorium |
| Richter, Charles Samuel, House |
| Rickeman Grocery Building |
| Ridge Avenue Historic District |
| Rietz, Charles T. and Gertrude, House |
| Riggert, William, House |
| Rindfleisch Building |
| Ringling, Albrecht C., House |
| Ringling, Charles, House |
| Rioux, Angeline Champeau, House |
| Ripon College Historic District |
| Rising Star Flouring Mill |
| Risum Round Barn |
| Ritger Wagonmaking and Blacksmith Shop |
| Riverside Cemetery |
| Riviera, The |
| Roberts House |
| Robertson, John A. and Martha, House |
| Robinson, Charles, House |
| Robinson-Herrling Sawmill |
| Robinson Hill Historic District |
| Robinson, John C. and Mary, Farmstead |
| Rock Mill |
| Rock School and Hanmer Robbins School Complex |
| Rockwood Lodge Barn and Pigsty |
| Rocky Island Historic District |
| Roddis, Hamilton and Catherine, House |
| Roe, L.I., House |
| Roe, Ole K., House |
| Roethlisberger House |
| Rolette House |
| Roosevelt Avenue Historic District |
| Roosevelt Elementary School |
| Roosevelt School |
| Roosevelt Terrace |
| Roosevelt, W. A., Company |
| Root River Parkway |
| Rosholt, John Gilbert, House |
| Rosinco |
| Roth, Henry and Henriette, House |
| Rothschild Pavilion |
| Round Lake Logging Dam |
Data from United States Park Service and Wikidata
