North Carolina - Criteria: C (architecture/engineering)
| Old Wilkes County Jail |
| Old Wilson Historic District |
| Oliver-Morton Farm |
| Oneida Cotton Mills and Scott-Mebane Manufacturing Company Complex |
| Opera House-Starnes Jewelers Building |
| Orange Street School |
| Orient Manufacturing Company-Chadwick-Hoskins No. 3 |
| Orr, Charles E., House |
| Orton Plantation |
| Oteen Veterans Administration Hospital Historic District |
| Ottari Sanitarium |
| Ottinger, Henry, House |
| Outen, R.F., Pottery |
| Overcarsh House |
| Overlook |
| Owen Family House and Cemetery |
| Owen-Harrison House |
| Oxford Historic District |
| Page-Walker Hotel |
| Page, Williamson, House |
| Paisley-Rice Log House |
| Palmer-Marsh House |
| Palo Alto Plantation |
| Pantego Academy |
| Parker, Francis, House |
| Parker, James H., House |
| Parker, King, House |
| Paschal House |
| Paschall-Daniel House |
| Paschal-Womble House |
| Patrick-Carr-Herring House |
| Patterson, John E., House |
| Patterson School Historic District |
| Patton Farm |
| Peace College Main Building |
| Peace, John, Jr., House |
| Peace, John Mask, House |
| Pearl Mill Village Historic District |
| Peebles House |
| Pee Dee Avenue Historic District |
| Peeler, Harvey Jeremiah, House |
| Pegram House |
| Pelletier House and Wantland Spring |
| Pembroke Hall |
| Pender County Courthouse |
| Pendergrass Building |
| Pender, Joseph John, House |
| Penderlea Homesteads Historic District |
| Penland School Historic District |
| Penn House |
| Pennington, Cicero, Farm |
| Penny, Jesse, House and Outbuildings |
| Peoples Bank Building |
| Pepper Building |
| Perkins House |
| Perquimans County Courthouse |
| Perry-Cherry House |
| Perry, Dr. Samuel, House |
| Perry Farm |
| Perry School |
| Perry-Shepherd Farm |
| Perry-Spruill House |
| Person County Courthouse |
| Person-McGhee Farm |
| Person Place |
| Person's Ordinary |
| Peterson, John N., Farm |
| Pfeiffer Junior College Historic District |
| Pharrsdale Historic District |
| Phifer, John, Farm |
| Philadelphus Presbyterian Church |
| Philanthropic Hall, Davidson College |
| Phillips, John Evander, House |
| Phoenix Masonic Lodge No. 8 |
| Piedmont Wagon Company |
| Pierce, John M., House |
| Pigford House |
| Piland, J.E., House |
| Pilgrim Reformed Church Cemetery |
| Pilot Mill |
| Pine Crest Inn |
| Pine Gables |
| Pine Hall |
| Pine Hall |
| Pinehurst Historic District |
| Pinehurst Race Track |
| Pine Street Creamery, (Former) |
| Pineview |
| Pineville Commercial Historic District |
| Pineville Mill Village Historic District |
| Piney Prospect |
| Pisgah Community Covered Bridge |
| Pitt County Courthouse |
| Pittsboro Historic District |
| Pittsboro Masonic Lodge |
| Pittsboro Presbyterian Church |
| Planters Building |
| Playmakers Theatre |
| Playmore-Bowery Road Historic District |
| Pleasant Grove Camp Meeting Ground |
Data from United States Park Service and Wikidata
