New York - Area of significance: Architecture
| Dansville Downtown Historic District |
| Dansville Library |
| Davenport House |
| Davis, Charles Homer, House |
| Davis Field |
| Davis, Phineas, Farmstead |
| Davis Stone House |
| Davis Town Meeting House |
| Dayton House |
| Dayton House |
| Dayton's Corners School |
| Dayton-Williams House |
| D. D. T. Moore Farmhouse |
| Deansboro Railroad Station |
| Debar Pond Lodge |
| DeBaun, John A., Mill |
| Decker Building |
| Decker, Johannes, Farm |
| Decker, William, House |
| Dederer Stone House-Stonehurst |
| Deer Hill |
| DeFerriere House |
| Defreest Homestead |
| Deke House |
| DeLamar Mansion |
| Delamater-Bevin Mansion |
| Delamater, Henry, House |
| DeLand, Henry, House |
| DeLand, Minerva and Daniel, House |
| Delaney Hotel |
| Delano, Clayton H., House |
| Delanson Historic District |
| Delavan Terrace Historic District |
| Delaware and Hudson Passenger Station |
| Delaware and Hudson Railroad Company Building |
| Delaware and Hudson Railroad Freight House |
| Delaware and Hudson Railroad Passenger Station |
| Delaware and Northern Railroad Station |
| Delaware Avenue Historic District |
| Delaware Avenue Medical Center |
| Delaware Avenue Methodist Episcopal Church |
| Delaware County Courthouse Square District |
| Delaware & Hudson Railroad Depot |
| Delaware, Lackawanna & Western Railroad Station |
| Delaware, Lackawanna & Western Railroad Station |
| Dellemont-Wemple Farm |
| Delong, Zopher, House |
| Delphi Baptist Church |
| Delphi Village School |
| Delta Psi, Alpha Chapter |
| De Meyer-Burhans-Felten Farm |
| Dennis-Newton House |
| Denniston-Steidle House |
| Denny Cottage |
| Densmore Methodist Church of the Thousand Islands |
| Denton, George W., House |
| Denton Homestead |
| Depew High School |
| DePew Lodge No. 823, Free and Accepted Masons |
| DePew, Peter, House |
| De Peyster, Watts, Fireman's Hall |
| DePuy, William, House |
| DeRham Farm |
| Devinne Press Building |
| Dewey, Chester, School No. 14 |
| De Witt Park Historic District |
| DeWitt, W.F., Hotel |
| Dexter Universalist Church |
| Deyo-Dubois House |
| Dezengremel, Remy, House |
| D & H Railroad Complex |
| Dick Block, The |
| Dickerson, Abraham, Farmhouse |
| Dickey, William J., House |
| Dick House |
| Dickson, John and Mary, House |
| Diebolt, Edward A., House |
| Dietz, R.E., Company Factory |
| Dill Farm |
| Distin Cottage |
| District 10 School |
| District #10 Schoolhouse |
| District No. 2 School, Caroline and Dryden |
| District No. 6 Schoolhouse |
| District Number 7 School |
| District School 2 |
| District School 4 |
| District School No. 1 |
| District School No. 11 |
| District School No. 14 |
| District School No. 19 |
| District School No. 20 |
| District School No. 3 |
| District School No. 3 |
| District School No. 7 |
| District School No. 9 |
| District School Number Five |
| Ditmas Park Historic District |
| Dix, James L., House |
| Dixon House |
Data from United States Park Service and Wikidata
