Virginia - Significance region: Local
| North Ghent |
| North Thompson Street Historic District |
| Norwich Historic District |
| Norwood |
| Norwood-Wingina Rural Historic District |
| Number 18 School in Marshall |
| Oak Cliff |
| Oak Crest |
| Oakdale |
| Oak Forest |
| Oak Grove |
| Oak Grove |
| Oak Grove |
| Oak Grove Baptist Church Historic District |
| Oakham Farm |
| Oak Hill |
| Oak Hill |
| Oak Hill |
| Oakhurst-Gildersleeve Neighborhood Historic District |
| Oakland Baptist Cemetery |
| Oak Lawn |
| Oaklette Historic District |
| Oakley |
| Oakley |
| Oakley Farm |
| Oakley Hill |
| Oak Ridge |
| Oak Spring Farm |
| Oaks, The |
| Oaks, The |
| Oakton Trolley Station |
| Oakwood |
| Oakwood-Chimborazo Historic District |
| Occupacia-Rappahannock Rural Historic District |
| Oceana Neighborhood Historic District |
| Odd Fellows Hall |
| Odd Fellows Hall |
| Old Custom House |
| Old Denton |
| Old Kentucky Turnpike Historic District |
| Old Manse |
| Old Portlock School #5 |
| Old Providence Presybterian Church |
| Old Stone Church |
| Old Town Hall and School |
| Old Town Historic District |
| Old Turner Place |
| Old Welbourne Farm and Dulany Family Cemetery |
| Olive Branch Missionary Baptist Church |
| Oliver Chilled Plow Works Branch House |
| On the Hill |
| Opequon Historic District |
| Opequon Presbyterian Church |
| Orange and Alexandria Railroad Hooff's Run Bridge |
| Orange Commercial Historic District |
| Orange High School |
| Orange Springs |
| Oregon Hill Historic District |
| Orlean Historic District |
| Otterburn |
| Outlaw, Samuel D., Blacksmith Shop |
| Paeonian Springs Historic District |
| Panorama |
| Pantops Farm |
| Paradise |
| Paris Historic District |
| Parkfairfax Historic District |
| Park Gate |
| Park Place Historic District |
| Parrish Hill Rosenwald School |
| Parr, Royster C., House |
| Pasture Point Historic District |
| Paul's Ottobine Mill |
| Paxton |
| Paxton House |
| Peabody Building of the Peabody-Williams School |
| Peacock-Salem Launderers and Cleaners |
| Peale, Jonathan, House |
| Pearisburg Historic District |
| Pennington Gap Commercial Historic District |
| Penrose Historic District |
| People's Bank of Eggleston, The |
| People's Memorial Cemetery |
| Periwinkle Cottage |
| Petersburg Trailways Bus Station |
| Pharsalia |
| Phaup, William, House |
| Philip Morris Blended Leaf Complex Historic District |
| Phillips Farm |
| Phillips-Ronald House |
| Philomont Historic District |
| Phlegar Building |
| Phlegar Farm |
| Phoebus Historic District |
| Phoenix Bank of Nansemond |
| Piedmont |
| Piedmont Camp Meeting Grounds Historic District |
| Piedmont Mill Historic District |
| Pierce Street Historic District |
| Pilgrim's Rest |
Data from United States Park Service and Wikidata
