All - Architectural style - Greek Revival architecture
| Andrew, Jesse, House |
| Andrews, Ebenezer, House |
| Andrews-Moore House |
| Androscoggin Mill Block |
| Angus Cobblestone Farmhouse and Barn Complex |
| Annandale |
| Annandale Plantation |
| Annas Farmhouse |
| Annis, John M., House |
| Anson Grange #88 |
| Anthony, David Rinehart, House |
| Antrim |
| Aplington, Zenas, House |
| Appellate Court, 5th District |
| Appleby's Methodist Church |
| Applegate-Fisher House |
| Applewhite, W. H., House |
| Arbuckle, Alexander W., I, House |
| Arcade Center Farm |
| Arcade, The |
| Arcola Presbyterian Church |
| Arizona Methodist Church |
| Arlington |
| Arlington House, The Robert E. Lee Memorial |
| Arlington Plantation |
| Arlington Plantation House |
| Arlington Plantation House |
| Armitage |
| Armstrong-Adams House |
| Armstrong County Courthouse and Jail |
| Armstrong House |
| Armstrong House |
| Armstrong-Walker House |
| Arnheim |
| Arnold-Callaway Plantation |
| Arnold, George, House |
| Arnot House |
| Arrowhead |
| Artz, John, Farmhouse |
| Asbury House |
| Asbury United Methodist Church |
| Ashburn Hall |
| Ash Hill |
| Ashland |
| Ashland |
| Ashland |
| Ashland Town House |
| Ashleigh |
| Ashley-Willis House |
| Ashpole Presbyterian Church |
| Ashton-Driggs House |
| Ashton-Hursh House |
| Ashurst, Craig, House |
| Aspen Hall |
| Aspen Hall |
| Aspen Hill |
| Aspen Lawn |
| Asphodel Plantation and Cemetery |
| Aston Inn |
| Athens Historic District |
| Athol |
| Atkinson-Smith House |
| Atwater Congregational Church |
| Atwood, Ephraim, House |
| Auburn |
| Auburn |
| Auburn House |
| Audubon |
| Aurora Highlands Historic District |
| Aurora Methodist Episcopal Church |
| Austin Hall |
| Avenel |
| Aventine Hall |
| Averitt-Herod House |
| Avery, Carlos, House |
| Avery Farmhouse |
| Avery-Hunter House |
| Avondale Plantation Home |
| Avon Inn |
| Ayer, Caleb R., House |
| Aynesworth-Wright House |
| Ayr Mount |
| Babcock, Dr. John, House |
| Back Creek Presbyterian Church and Cemeterey |
| Backus, Nathaniel, House |
| Bacon, Charles, House |
| Bacon-Harding Farm |
| Bacon, Robert, House |
| Bacon's Castle |
| Bagby, Alexander, House |
| Bagley-Bliss House |
| Bailey, Dr. Isham G., House |
| Bailey Farm |
| Bailey, Frederick A., House |
| Bailey Hall |
| Bailey, Liberty Hyde, Birthplace |
| Bailey-Tebault House |
| Bailey-Thompson House |
| Baines, George Washington, House |
| Baird Law Office |
Data from United States Park Service and Wikidata
