All - Architectural style - Renaissance Revival architecture
| Rock Island Depot and Freight House |
| Rock Lawn and Carriage House |
| Rockwell House |
| Rocky Mountain Bell Telephone Company Building |
| Rocky River Presbyterian Church |
| Rogers Commercial Historic District (Boundary Increase) |
| Rohrbough, Calendar, House |
| Ronald-Brennan House |
| Roosevelt Building |
| Roosevelt, Isaac, House |
| Roosevelt, Theodore, Elementary School |
| Root, Joseph, House |
| Roseboom Historic District |
| Rosebud Ranch |
| Rosecroft |
| Rose Hill |
| Rosekrans, Enoch, House |
| Rosemary Hall |
| Rosenberg Brothers Department Store |
| Rose Terrace |
| Roslyn House |
| Ross, Gov. William H., House |
| Roughan Hall |
| Rowhouses at 322-344 East 69th Street |
| Roxboro Male Academy and Methodist Parsonage |
| Royal Palm Hotel |
| Royle, Jonathan C. and Eliza K., House |
| R & S Building |
| Rugby Grange |
| Rugge, A. S., House |
| Rumsey Farm |
| Ruscombe |
| Rutger-Steuben Park Historic District |
| Rutherford County Courthouse |
| Rutherford County Courthouse |
| Rutland Downtown Historic District |
| Saco Historic District |
| Sacred Heart Roman Catholic Church, Convent and Rectory |
| Sadler, Samuel, House |
| Safety Fund National Bank |
| Sage Library |
| Saint Ann Roman Catholic Church and Rectory |
| Saint Joseph's Co-Cathedral and Rectory |
| Saint Mary's Rectory |
| Saints Peter and Paul Catholic Church |
| Sala Apartment Building |
| Salem Church |
| Salem County Insane Asylum |
| Salem Crossroads Historic District |
| Salem Downtown Historic District |
| Salem Evangelical Church |
| Salem Methodist Church |
| Salem United Church of Christ |
| Saline County Poor Farm |
| Sample, Hugh W. and Sarah, House |
| San Carlos Hotel |
| San Diego Armed Services YMCA |
| Sandy City Bank |
| San Fernando Building, The |
| Sawyer House |
| Scampini Block |
| Scarab Club |
| Scenery Hill Historic District |
| Schlemmer, Otto, Building |
| Schmick, Charles Nelson, House |
| Schodack Landing Historic District |
| Schoharie County Courthouse Complex |
| Schooley's Mountain Historic District |
| Schoonmaker House |
| Schreiner, Capt. Charles, Mansion |
| Schuffenecker, August Building |
| Schuster, George, House and Carriage Shed |
| Schuyler Historic District |
| Schwartz, A. J., House |
| Scotch Plains School |
| Scott County Jail |
| Scottdale Historic District |
| Sealy, George, House |
| Searcy Post Office |
| Second Callahan Block |
| Second Cambridge Savings Bank Building |
| Second Free Baptist Church |
| Second National Bank |
| Security Bank and Trust Company Building |
| Security State Bank Building |
| Sedgwick House |
| Sedgwick, Maj. Gen. John, House |
| Seeberger-Loring-Kilburn House |
| Sellers House |
| Sellers Mansion |
| Semple, Anne C. and Frank B., House |
| Sessions House |
| Seven Hundred Five Davis Street Apartments |
| Seventh Street Theater |
| Severance, Cordenio, House |
| Sexton, Joseph and Lucy Foster, House |
| Seymour High School and Annex |
| Shadow Lawn |
| Shallcross, Sereck, House |
| Shane Building |
Data from United States Park Service and Wikidata
