| Owner | Count | 1.
| Nantucket Historical Trust, Nantucket, Massachusetts | 1 | 2.
| Nantucket Public Library, Nantucket, Massachusetts | 1 | 3.
| Naomi's Art, Inc., New York, New York | 1 | 4.
| Napa City, Community Resources, Parks and Recreation, Napa, California | 1 | 5.
| Naperville Post Office, Naperville, Illinois | 1 | 6.
| Napier, Robert Ray, Mrs, | 1 | 7.
| Napoli, Joseph, | 1 | 8.
| Napolitano, Mary, New Hyde Park, New York | 1 | 9.
| Naramore Sitting Park, Seattle, Washington | 1 | 10.
| Naranjo, Michael A., Espanola, New Mexico | 2 |
|