All - Architectural style - Prairie School architecture
| Pope-Leighey House |
| Powell, J. Davis, House |
| Power County Courthouse |
| Provo Third Ward Chapel and Amusement Hall |
| Purcell, William Gray, House |
| Quivey, M. B., House |
| Ray, Harold Wass, House |
| Read Dunes House |
| Red Lodge Communal Mausoleum |
| Red Schoolhouse, Old |
| Reno Apartments |
| Residencia Aboy-Lompre |
| Retan House |
| Richardson, Asher and Mary Isabelle, House |
| Ricker, B. J., House |
| Ricketts House |
| Ridgeland-Oak Park Historic District |
| Ridgewood |
| Rio Grande Ranch Headquarters Historic District |
| Riverside Public School |
| Riverside Train Station |
| Roberts, Edward C., House |
| Robertson House |
| Robie, Frederick C., House |
| Romey, George, House |
| Rosenwald Building |
| Rose Terrace |
| Rothschild Pavilion |
| Roycemore School |
| Rye, Chris, House |
| Saint Camillus Academy |
| Saint John's Methodist Church |
| Salem's Baptist Church |
| Santa Fe Depot |
| Santa Fe Passenger Depot |
| Schade, Emma Petznick and Otto, House |
| Schneemann, William, House |
| Schulein, Ben and Harriet, House |
| Scott, T. B., Free Library |
| Selby Apartments |
| Selma Terrace |
| Seney, Charles, House |
| Sharrow, Frances Kurth, House |
| Shaw, Tillman, House |
| Shedd Park Fieldhouse |
| Shepperson House |
| Shipley, C. P., House |
| Shlenker House |
| Siceloff, J. C., House |
| Sigma Alpha Epsilon Fraternity House |
| Sig's General Store |
| Sioux City Baptist Church |
| Sioux City Public Library (Smith Villa Branch) |
| Sloane, William and Jennette, House |
| Smouse, Winfield, House |
| Sniteman, Charles C. and Katharyn, House |
| Sojourners Club |
| South Boulevard-Park Row Historic District |
| South Ridgewood Elementary School |
| Sparta Masonic Temple |
| Spies-Robinson House |
| Spitz, Berthold, House |
| Springville Carnegie Library |
| Starcke, Richard, House |
| Stein, Earl, House |
| Stenger, Albert and Lina, House |
| Steven House |
| Stewart, Hiram C., House |
| Stewart Memorial Presbyterian Church |
| Stinson Memorial Library |
| St. James Building |
| St. John's A.M.E. Church |
| St. Louis and San Francisco Railway Depot (Frisco Depot) |
| St. Louis Southwestern Railway (Cotton Belt) Passenger Depot |
| Stockman, Dr. G. C., House |
| Stonaker Cottage |
| Stoneleigh Manor |
| Stotlar, Ed. M., House |
| St. Patrick's Roman Catholic Church |
| Stutton, H. P., House |
| Summerville Depot |
| Summit Apartment Building |
| Swannell, Charles E., House |
| Swenson, William and Shirley, House |
| Sylvan Road Bridge |
| Taliesin |
| Tampania House |
| Technical High School |
| Telluride House |
| Temple House |
| Tenney Park-Yahara River Parkway |
| Terminal Station |
| Teton County Courthouse |
| The Elms |
| Thomas, F. D., House |
| Thomas, Frank, House |
| Thorncrown Chapel |
| Tiffany, George S., Cottage |
| Timpanogos Cooperative Marketing Association Building |
| Tofthagen Library Museum |
Data from United States Park Service and Wikidata
