Pennsylvania - Role: Building
| Potter County Courthouse |
| Pottsgrove Mansion |
| Pottstown Roller Mill |
| Pottsville Armory |
| Powderly, Terence V., House |
| Powell Farm |
| Powell, John, House |
| Powelton, The |
| Powers, Thomas, School |
| Presque Isle Light |
| Presser Home for Retired Music Teachers |
| Preston Laboratories |
| Price, Joseph, House |
| Priestley, Dr. Joseph, House |
| Priestley, Joseph, House |
| Primitive Hall |
| Princeton Club |
| Pringle Electrical Manufacturing Company Building |
| Progress Lighting Manufacturing Company |
| Promised Land State Park-Bear Wallow Cabins |
| Prospect Junior High and Elementary School |
| Protestant Episcopal Church of the Saviour |
| Providence Quaker Cemetery and Chapel |
| Provident Mutual Insurance Company |
| Pusey, Caleb, House |
| Pusey, Joshua, House |
| Qhandlery Corner |
| Quaker City Dye Works |
| Quaker Manor House |
| Quakertown Passenger and Freight Station |
| Quay, Matthew S., House |
| Quay, Rev. Anderson B., House |
| Rabb, Andrew, House |
| Race Street Friends Meetinghouse |
| Radnor Friends Meetinghouse |
| Rafsnyder-Welsh House |
| Ralston, Robert, School |
| Ramsey, J. Sylvester, School |
| Randolph House |
| Raymond, Charles and Joseph, Houses |
| Reading Hardware Company Butt Works |
| Reading Knitting Mills |
| Reading Railroad Freight Station |
| Reading Railroad Passenger Station-Tamaqua |
| Reading Railroad Pottstown Station |
| Reading Railroad Station |
| Reading Terminal and Trainshed |
| Read, Thomas Buchanan, School |
| Real Estate Building |
| Red Hill Church and School |
| Red Men Hall |
| Red Run Lodge |
| Reed, Charles Manning, Mansion |
| Reed Hall |
| Regent-Rennoc Court |
| Regester Log House |
| Reiff Farm |
| Reilly Brothers and Raub Building |
| Reinholds Station Trinity Chapel |
| Reppert-Gabler House |
| Rex House |
| Rex, John, Farm |
| Reyburn Manufacturing Company Building |
| Reyer, Peter and Catherine, Farmhouse |
| Reymer Brothers Candy Factory |
| Reynolds, Gen. John F., School |
| Reynolds-Morris House |
| Rhoads Homestead |
| Rhoads-Lorah House and Barn |
| Rhone, Leonard, House |
| Richardson, Joseph, House |
| Rich-McCormick Woolen Factory |
| Richmond School |
| Ricketts, Clemuel, Mansion |
| Ridge Avenue Farmers' Market |
| Ridgway Armory |
| Riegel, Benjamin, House |
| Rieser Mill |
| Rieth, Andreas, Homestead |
| Ringgold Place |
| Ringland Tavern |
| Risley, Dr. Samuel D., House |
| Rittenhouse, David, Junior High School |
| River Bend Farm |
| Riverside Farm |
| Riverside Hotel |
| R. K. Laros Silk Mill |
| Robb Farm |
| Roberts and Mander Stove Company Buildings |
| Roberts, Enoch, House |
| Roberts House |
| Roberts-Quay House |
| Robeson, Paul, House |
| Robinson House |
| Robinson, Jesse, House |
| Rocky Spring Presbyterian Church |
| Rodale Organic Gardening Experimental Farm |
| Rodef Shalom Temple |
| Rodeph Shalom Synagogue |
| Roebling, John, House |
Data from United States Park Service and Wikidata
