| Aberdeen Plantation | 15301 State Route 10, Disputanta, Virginia | Prince George County | VA | South side of James River |
| Abingdon Plantation | Reagan National Airport | | VA | |
| Acadia Plantation | Thibodaux | Lafourche Parish | LA | |
| Acadian House Plantation | St. Martinville | | LA | |
| Accokeek Plantation | Accokeek Creek | Stafford County | VA | |
| Adam Thoroughgood House | 1636 Parrish Road Virginia Beach, Virginia | Princess Anne County | VA | Southside Virginia |
| Aduston Hall Plantation | Gainesville | Sumpter County | AL | |
| Aeolian Lawn Plantation | | Barnwell County | SC | |
| Afton Villa Gardens Plantation | St. Francisville | West Feliciana Parish | LA | |
| Aillet House Plantation | Port Allen | West Baton Rouge Parish | LA | |
| Airville Plantation | | Aiken County | SC | |
| Albania Plantation | Jeanerette, on the banks of Bayou Teche, off the Old Spanish Trail | Iberia Parish | LA | |
| Albemarle Plantation | Napoleonville | Assumption Parish | LA | |
| Aledander Plantation | | | KY | |
| Alexander Plantation | | | NC | |
| Alexandria Plantation | | Beaufort County | SC | |
| Alfred Hatch Place | | | AL | |
| Alice B Plantation | | | LA | |
| Alice C Plantation | | | LA | |
| Allen Grove Plantation | Old Spring Hill | Marengo County | AL | |
| Allendale Plantation | Port Allen | West Baton Rouge Parish | LA | |
| Allison Plantation | | | SC | |
| Alpine Plantation | Alpine | Talladega County | AL | |
| Alston DeGraffenried Plantation | | | NC | |
| Altamont Plantation | | Anderson County | SC | |
| Altona Plantation | | | WV | |
| Altwood Plantation | Faunsdale | Marengo County | AL | |
| Ambler Mansion | Jamestown Island | | VA | North side of James River |
| Ambrosia Plantation | St. Francisville | | LA | |
| Ampthill Plantation at Cartersville | Cartersville, Virginia, United States, roughly 45 minutes west of Richmond, and just over an hour south of Charlottesville. | | VA | South side of James River |
| Ampthill Plantation at Richmond | Richmond | Chesterfield County | VA | South side of James River |
| Analostan Island | Theodore Roosevelt Memorial Island | | VA | |
| Andalusia Plantation | Milledgeville, Georgia | Baldwin County | GA | |
| Angelina Plantation | | St. John the Baptist Parish | LA | |
| Angola Plantation | | | LA | |
| Ann Fripp Plantation | | Beaufort County | SC | |
| Ann Perryclear Plantation | | Beaufort County | SC | |
| Anna Plantation | Franklin | | LA | |
| Annandale Plantation | Madison | Madison County | MS | |
| Annandale Plantation | | | SC | |
| Appomattox Manor | Hopewell | Hopewell County | VA | South side of James River |
| Aragon Plantation | Houma | | LA | |
| Arcadia Plantation | | | SC | |
| Archibald Davis Plantation | | | NC | |
| Archibald Taylor Plantation | | | NC | |
| Arcola Plantation | Waterproof | Tensas Parish | LA | |
| Ardoyne Plantation | Houma | Terrebonne Parish | LA | |
| Argall's Gift Plantation | | | VA | |
| Argent Plantation | | | MS | |
| Argyle Plantation | | Tensas Parish | LA | |
| Arlington House | Arlington | | VA | Northern Virginia |
| Arlington Plantation | Birmingham | Jefferson County | AL | |
| Arlington Plantation at Franklin | Franklin | St. Mary Parish | LA | |
| Arlington Plantation at Lake Providence | | | LA | |
| Arlington Plantation at Washington St Landry | Washington | St. Landry Parish | LA | |
| Armant Plantation | | | LA | |
| Arnold Callaway Plantation | | | GA | |
| Ash Grove | Tysons Corner | Fairfax County | VA | |
| Ash Plantation | Hilton Head Island, South Carolina | Beaufort County | SC | |
| Ashdale Plantation | | Beaufort County | SC | |
| Ashland Plantation | | | KY | |
| Ashland Plantation | Houma | | LA | |
| Ashland Plantation | West Baton Rouge | West Baton Rouge Parish | LA | |
| Ashland Plantation | Services Island | Jefferson County | MS | |
| Ashland Plantation at Belle Hellene | Darrow, near Geismar | Ascension Parish | LA | |
| Ashley Hall Plantation | | | SC | |
| Ashtabula Plantation | | Anderson County | SC | |
| Ashton Plantation | New Orleans | Orleans Parish | LA | |
| Aspen Hill Plantation | | | WV | |
| Aspendale Plantation | | | DE | |
| Asphodel Plantation | Saint Francisville | | LA | |
| Atahoe Plantation | Natchez | Natchitoches Parish | LA | |
| Atkins Ridge Plantation | Greensboro | Hale County | AL | |
| Attakapas Plantation | | | MS | |
| Auburn Plantation | Natchez | Adams County | MS | |
| Audubon Plantation | Baton Rouge | East Baton Rouge Parish | LA | |
| Augusta Plantation | | | LA | |
| Augusta Sledge Plantation | Newbern | Hale County | AL | |
| Auldbrass Plantation | | Beaufort County | | |
| Avalon Plantation | Patterson | | LA | |
| Avirett Stephens Plantation | | | NC | |
| Avondale Plantation | Clinton | East Feliciana Parish | LA | |
| Bacons Castle | Surry | Surry County | VA | South side of James River |
| Bagatelle Plantation | Sunshine | Iberville Parish | LA | |
| Bains Plantation | | Pointe Coupee Parish | LA | |
| Baker Cherry Hill Plantation | | Beaufort County | SC | |
| Baker Place Plantation | | Beaufort County | SC | |
| Baldwin Plantation | Hilton Head Island, South Carolina | Beaufort County | SC | |
| Banksia Hall Plantation | | Barnwell County | SC | |
| Bannerman Plantation | | | FL | |
| Barbara Plantation | St. Rose | St. Charles Parish | LA | |
| Barboursville Plantation | South of jct. of Rtes. 777 and 678, Barboursville, Virginia | | VA | |
| Barleywood Plantation | | | WV | |
| Barnsley Gardens | | | GA | |
| Barnwell's Island Plantation | | Beaufort County | SC | |
| Barton Hall Plantation | Cherokee | Colbert County | AL | |
| Bass Plantation | Lake Providence | | LA | |
| Battersea Plantation | Prairieville | Hale County | AL | |
| Battersea Plantation | Petersburg | | VA | |
| Battery Creek Plantation | | Beaufort County | SC | |