Pennsylvania - Role: District
| Ravensburg State Park |
| Reading Country Club |
| Reading Furnace Historic District |
| Reading Hardware Company |
| Rebersburg Historic District |
| Red Hill Historic District |
| Red Lion Borough Historic District |
| Revloc Historic District |
| Rice-Pennebecker Farm |
| Rice's Landing Historic District |
| Richmond Station, Philadelphia Electric Company |
| Ridge Valley Rural Historic District |
| Ridgewood Farm |
| Ridgway Historic District |
| Ridley Creek State Park |
| Rieser-Shoemaker Farm |
| Rittenhouse Historic District |
| RittenhouseTown Historic District |
| River Street Historic District |
| Riverview Park |
| Roaring Spring Historic District |
| Robertsdale Historic District |
| Robesonia Furnace Historic District |
| Rock Creek-White Run Union Hospital Complex |
| Rock Hill Farm |
| Rose Valley Historic District |
| Ross Common Manor |
| Ross, Frank L., Farm |
| Salem Crossroads Historic District |
| Saltsburg Historic District |
| Sansom Row |
| Sauer Buildings Historic District |
| Saxonburg Historic District |
| Scenery Hill Historic District |
| Schaefferstown Historic District |
| Schellsburg Historic District |
| Schenley Farms Historic District |
| Schenley Park |
| Schlegel, Christian, Farm |
| Schuylkill Navigation Canal, Oakes Reach Section |
| Scottdale Historic District |
| Shade Furnace Archeological District |
| Shaw Historic District |
| Shippensburg Historic District |
| Shoaf Historic District |
| Shreiner Farm |
| Shrewsbury Historic District |
| Sinking Springs Farms |
| Slatington Historic District |
| Slickville Historic District |
| Smith, Henry, Farm |
| Smock Historic District |
| Society Hill Historic District |
| Sommerheim Park Archeological District |
| Souderton Historic District |
| South Bethlehem Downtown Historic District |
| South Fork Fishing and Hunting Club Historic District |
| South Front Street Historic District |
| Southwark District |
| South Wayne Historic District |
| Spangler-Benner Farm |
| Springdale Historic District |
| Springdale Historic District |
| Spring Garden District |
| Spring Grove Borough Historic District |
| Springton Manor Farm |
| Springtown Historic District |
| Spring Valley Historic District |
| Stanley |
| Star Junction Historic District |
| Steamtown National Historic Site |
| Stewart, Walter and Gertrude May, Farmstead |
| St. Gabriel’s Roman Catholic Church Complex |
| St. Marys Historic District |
| Stoddartsville Historic District |
| Stouchsburg Historic District |
| Stoystown Historic District |
| St. Peters Village Historic District |
| Strasburg Historic District |
| Strickland, William, Row |
| Strip Historic District |
| Strode's Mill Historic District |
| Stupp-Oxenrider Farm |
| Sugartown Historic District |
| Summit Hotel |
| Sunbury Historic District |
| Swatara Furnace |
| Tacony Disston Community Development Historic District |
| Tamaqua Historic District |
| Taylor-Cope Historic District |
| Taylor, Peter, Farmstead |
| Taylorstown Historic District |
| Teller Brothers-Reed Tobacco Historic District |
| Thome, James, Farm |
| Thornburg Historic District |
| Thornton Village Historic District |
| Thunderbird Lodge |
| Titusville Historic District |
| Todd, John, House |
| Totten House |
Data from United States Park Service and Wikidata
