Rhode Island - Role: Building
| Old Colony House |
| Old Congregational Church |
| Old Narragansett Church |
| Olney, Capt. Stephen, House |
| Ontario Apartments |
| Oriental Mills |
| Our Lady of Lourdes Church Complex |
| Paine House |
| Palmer-Northrup House |
| Paradise School |
| Pascoag Grammar School |
| Patterson Brothers Commercial Building and House |
| Pawtucket Armory |
| Pawtucket City Hall |
| Pawtucket Congregational Church |
| Pawtucket Elks Lodge Building |
| Pawtucket Post Office |
| Pawtucket Times Building |
| Pawtucket West High School |
| Pawtuxet Valley Dyeing Company |
| Payne, Charles, House |
| Pearce, Nathaniel, House |
| Perkins Buildings |
| Perry-Carpenter Grist Mill |
| Perry, Commodore Oliver, Farm |
| Perry Mill |
| Phillips Insulated Wire Company Complex |
| Philmont Worsted Company Mill |
| Pierce, Joseph, Farm |
| Pitcher-Goff House |
| Plain Farm House |
| Plymouth Congregational Church |
| Pocasset Worsted Company Mill |
| Poirier's Diner |
| Pomham Rocks Light Station |
| Pontiac Mills |
| Portsmouth Friends Meetinghouse Parsonage and Cemetery |
| Pothier House |
| Potter-Collyer House |
| Potter-Remington House |
| President's House, Naval War College |
| Providence-Biltmore Hotel |
| Providence City Hall |
| Providence Dyeing, Bleaching, Calendring Company |
| Providence Fruit and Produce Warehouse Company Building |
| Providence Gas Company Purifier House |
| Providence Lying-In Hospital |
| Providence Steel and Iron Company Complex |
| Providence Telephone Company |
| Pullen Corner School |
| Ram Point |
| Rathbun House |
| Read School |
| Red House |
| Redwood Library |
| Reservoir Avenue Sewage Pumping Station |
| Return Sludge Pumping Station, Fields Point Sewage Treatment Plant |
| Reynolds, Joseph, House |
| Rhode Island Hospital Trust Building |
| Rhode Island Medical Society Building |
| Rhode Island State Airport Terminal |
| Rhode Island Statehouse |
| Rhode Island Tool Company |
| Rhodes, Christopher, House |
| Rhodes-on-the Pawtuxet Ballroom and Gazebo |
| Richmond Paper Company Mill Complex |
| Rochambeau Branch-Providence Public Library |
| Rochambeau Worsted Company Mill |
| Rodman, Gen. Isaac Peace, House |
| Rogers, Joseph, House |
| Rose, Benoni, House |
| Rosecliff |
| Rosedale Apartments |
| Royal Mill Complex |
| Russell, Joseph and William, House |
| Saint Martin's Church |
| Saint Thomas Episcopal Church and Rectory |
| Sakonnet Light Station |
| Sanford, Esbon, House |
| Sayles, Deborah Cook, Public Library |
| Saylesville Meetinghouse |
| Scholze-Sayles House |
| Seamen's Church Institute of Newport |
| Shadow Farm |
| Shakespeare Hall |
| Sheffield House |
| Sheldon House |
| Shepard Company Building |
| Sherman, William Watts, House |
| Shiloh Church |
| Six Principle Baptist Church |
| Sixth District Courthouse |
| Slocum, Joseph, House |
| Sludge Press House, Fields Point Sewage Treatment Plant |
| Smith-Appleby House |
| Smith-Ballou House |
| Smithfield Exchange Bank |
| Smithfield Friends Meeting House, Parsonage & Cemetery |
| Smith Hill Branch-Providence Public Library |
| Smith, Joseph, House |
Data from United States Park Service and Wikidata
