Missouri - Area of significance: Architecture
| Pleasant Ridge School |
| Pleasant Ridge United Baptist Church |
| Pleasant View School |
| Ploger-Moneymaker Place |
| Plum Grove School |
| Poeschel, William, House |
| Ponder, Abraham Russell, House |
| Pond School |
| Poplar Bluff Public Library |
| Porth, Dr. Joseph P. and Effie, House |
| Portland and Westmoreland Places |
| Possum Walk Hotel |
| Pott, Frederick W. and Mary Karau, House |
| Prairie View |
| Prairie View Stock Farm |
| Pratt and Whitney Plant Complex |
| President Gardens Apartments Historic District |
| President Hotel |
| Price School |
| Principia Page-Park YMCA Gymnasium |
| Professional Building |
| Pruitt School |
| Pulaski County Courthouse |
| Pundt Brothers-Garavaglia Grocery Buildings |
| Pythian Home of Missouri |
| Quality Hill |
| Queen, Harrison, House |
| Quincy, Omaha and Kansas City Railroad Office Building |
| Quinn Chapel AME Church |
| Raaf, Joseph, House |
| Rail Haven Motel |
| Railway Exchange Building |
| Rainey Funeral Home Building |
| Rains Brothers Building |
| Ralls County Courthouse and Jail-Sheriff's House |
| Rankin Hall |
| Ratcliff, Jesse, House |
| Ravenswood |
| Ray, A., Taylor House |
| Ray County Courthouse |
| Ray County Poor Farm |
| Redding-Hill House |
| Reeb House |
| Reed Log House |
| Remington Rand Building |
| Repp, William D., House |
| Reynolds, James, House |
| Rhinehart Ranch |
| Rhoda, Fred, House |
| Rice-Tremonti House |
| Richardson, John D., Dry Goods Company |
| Richland Christian Church |
| Richter, Theodore and Lena, House |
| Rickelman House |
| Ridenour-Baker Grocery Company Building |
| Ridgway Apartments |
| Riggio Building |
| Riggs, Absolom, House |
| Ripley County Courthouse |
| Ripple, Otto, Agency |
| Ritchey, Mathew H., House |
| Rivercene |
| R. J. DeLano School for Crippled Children |
| Roaring River Camps and Hotel Summer Cottage |
| Roaring River State Park Bath House |
| Roaring River State Park Dam/Spillway |
| Roaring River State Park Honeymoon Cabin |
| Roaring River State Park Hotel |
| Roaring River State Park Shelter Kitchen No. 2 and Rest Room |
| Robert, Johnson and Rand-International Shoe Company Complex |
| Roberts Chevrolet |
| Roberts, J.F., Octagonal Barn |
| Robidoux Hill Historic District |
| Robidoux School |
| Robinson, George R. and Elsie, House |
| Robinson, William, P., House |
| Robnett-Payne House |
| Rocheport |
| Rockcliffe Mansion |
| Rock Fountain Court Historic District |
| Rockhill Neighborhood |
| Rock Spring School |
| Rockwell, Bertrand, House |
| Rockwood Court Apartments |
| Rodgers Theatre Building |
| Roeschel-Toennes-Oswald Property |
| Rolla Ranger Station Historic District |
| Rose Fanning Elementary School |
| Ross House |
| Ross, John, House |
| Rott School |
| Rotunda, The |
| Route 66 Steak 'n Shake |
| Row House Building |
| Row House Buildings (Boundry Increase) |
| Royal Tire Service Inc. Building |
| Rozier, Louis J. and Harriet, House |
| Ruskaup House |
| Russell Hotel |
| Ruthven, John B. and Elizabeth, House |
Data from United States Park Service and Wikidata
