New York - Area of significance: Architecture
| Amagansett U.S. Life-Saving and Coast Guard Station |
| Amawalk Friends Meeting House |
| AMBROSE (lightship) |
| American Bank Note Company Building |
| American Fine Arts Society |
| American Grain Complex |
| American Hotel |
| American Museum of Natural History |
| American Radiator Building |
| American Radiator Company Factory Complex |
| American Thread Building |
| Ames Academy Building |
| Ames Cottage |
| Ames, Leonard, Farmhouse |
| AME Zion Church of Kingston and Mt. Zion Cemetery |
| Amherst Avenue Historic District |
| Amos Block |
| Amphion Piano Player Factory |
| Amrita Club |
| Amsterdam (46th Separate Company) Armory |
| Amsterdam City Hall |
| Amsterdam Free Library |
| Ancramdale Historic District |
| Ancram Hamlet Historic District |
| Andes Historic District |
| Andrews United Methodist Church |
| Angelica Park Circle Historic District |
| Angus Cobblestone Farmhouse and Barn Complex |
| Annas Farmhouse |
| Annunciation School |
| Ansche Chesed Synagogue |
| Ansco Company Charles Street Factory Buildings |
| Anshei Glen Wild Synagogue |
| Ansonia Hotel |
| Anthony, Levi, Building |
| Anthony, Susan B., Childhood House |
| Apartment at 1261 Madison Avenue |
| Apartment Buildings at 131-135 East 66th Street and 130-134 East 67th Street |
| Apollo Theater |
| Appeldoorn Farm |
| Appellate Division Courthouse of New York State |
| Apple Tavern |
| Apthorp Apartments |
| Aqudas Achim Synagogue |
| Aquinas Institute |
| Arab Mountain Fire Observation Station |
| Arbor Hill Historic District-Ten Broeck Triangle |
| Arcade Center Farm |
| Archer, William, House |
| Argent Apartments |
| Armory Square Historic District |
| Armour-Stiner House |
| Arnold, Benjamin Walworth, House and Carriage House |
| Arsenal House |
| Arthur Tavern |
| Arvine Heights Historic District |
| Asbury Historic District |
| Asbury United Methodist Church and Bethel Chapel and Cemetery |
| Ascension Roman Catholic Church Complex |
| Asgaard Farm |
| Ashcroft |
| Ashokan Field Campus Historic District |
| Ashton House |
| Association of the Bar of the City of New York |
| Association Residence Nursing Home |
| Astor Home for Children |
| Astoria Center of Israel |
| Astor Place Subway Station (IRT) |
| Astral Apartments |
| Athens Lower Village Historic District |
| A. T. House |
| Atlantic Avenue Control House |
| Atlantic Avenue Subway Station (IRT and BMT) |
| Attica Market and Main Historic District |
| Atwater-Stone House |
| Aubertine Building |
| Auburn Button Works and Logan Silk Mills |
| Auclair-Button Farmstead |
| Audubon Park Historic District |
| Audubon Terrace Historic District |
| Aumic House |
| Aurora Steam Grist Mill |
| Aurora Village-Wells College Historic District |
| AuSable Chasm Bridge |
| Ausable Club |
| Austen, Elizabeth Alice, House-Clear Comfort |
| Austerlitz Historic District |
| Austin, Nichols and Company Warehouse |
| Austin, Richard, House |
| Austin, William, House |
| Automobile Club of Buffalo |
| Avalon Knitting Company Mill |
| Ava Town Hall |
| Avenue U Station (Dual System BRT) |
| Avery Farmhouse |
| Avon Five Arch Bridge |
| Avon Inn |
| Avon Village Historic District |
| Ayling, John G., House |
| Azalea-Highland Park Terrace Historic District |
Data from United States Park Service and Wikidata
