All - Architectural style - Greek Revival architecture
| Paggi, Michael, House |
| Pahl, Henry, House |
| Paine Bank |
| Paine House |
| Painesville Chapel |
| Painesville City Hall |
| Palmer, Col. Gustavus A., House |
| Palmer, Lorenzo and Ruth Wells, House |
| Palmer-Perkins House |
| Palmer, Thomas H., House |
| Palmetto Farm |
| Palmyra Center Hotel |
| Palmyra Village Historic District |
| Palo Alto Plantation |
| Palo Alto Plantation |
| Paradise Tithing Office |
| Pardeeville Presbyterian Church |
| Paris Historic District |
| Paris Male Academy |
| Parker, Joseph, House |
| Parker, King, House |
| Parker, Stillman, House |
| Parkinson, Robert, Farm |
| Parkman Tavern |
| Parks-Bentley House |
| Park Street Row |
| Parmelee House |
| Parsonage Road Historic District |
| Parsonage, The |
| Parthenon, The |
| Pascault Row |
| Paschall-Daniel House |
| Passmore, Benjamin, Hotel |
| Passmore, Benjamin, House |
| Patee Town Historic District |
| Patos Island Light Station |
| Patroon Agent's House and Office |
| Patterson Farmhouse |
| Patterson, John, and Eliza Barr, House |
| Patterson, John E., House |
| Patterson, Samuel, House |
| Paw Paw City Hall |
| Payne Cobblestone House |
| Payne Hotel |
| Payne House |
| Payne, Lewis, House |
| Peabody-Warner House |
| Peace College Main Building |
| Peace, John Mask, House |
| Peacock House |
| Peak House |
| Peale, Jonathan, House |
| Pearre-Metcalfe House |
| Pease, George, House |
| Peck, Capt. Barton, House |
| Peck, Clarence, Residence |
| Peck House |
| Peck, J. Franklin, House |
| Peck, John M., House |
| Peck-Porter House |
| Peebles House |
| Peekskill Presbyterian Church |
| Peers, Henry Perviance, House |
| Pegram Plantation House |
| Pelton, Gideon, Farm |
| Pelton House |
| Pemberton's Headquarters |
| Pembroke Hall |
| Pendleton House |
| Peninsula Village Historic District |
| Pennellville Historic District |
| Pennington, John-Ford, Henry, House |
| Pennock, Martha, House |
| Penns Park Historic District |
| Pennsylvania Hall, Gettysburg College |
| Penobscot Marine Museum |
| Pepin County Courthouse and Jail |
| Pepper, Carlton, David, Farm |
| Perham House |
| Perkins, Col. Simon, Mansion |
| Perkins, Maxwell E., House |
| Perkins, William, House |
| Perrill-Goodman Farm House |
| Perrin, William, House |
| Perry, Capt. William, House |
| Perry County Courthouse |
| Perry, Dr. Samuel, House |
| Perry, James, House |
| Perry-McIlwain-McDow House |
| Perseverance Hall |
| Petersburg Historic District |
| Peters, J. C., House |
| Peterson and Mustard's Hermitage Farm |
| Peter's Point Plantation |
| Phelps County Courthouse |
| Phelps Town Hall |
| Philadelphia College of Art |
| Philadelphus Presbyterian Church |
| Philanthropic Hall, Davidson College |
| Philippi Historic District |
Data from United States Park Service and Wikidata
