Louisiana - Role: Building
| Tally's Bank |
| Tate House |
| Taylor House |
| Taylor, John R., Drugstore |
| Taylor Wholesale Grocers and Cotton Factors Warehouse-Lee Hardware Building |
| Tensas Parish Courthouse |
| Terral, Dr.,Clinic |
| Tessier Buildings |
| Tewell House |
| Texaco Building |
| Texaco Service Station |
| Texas and Pacific Railroad Depot |
| Texas and Pacific Railroad Depot |
| Thibodaux, Jean Baptiste, House |
| Thomas House |
| Thompson House |
| Thrasher House |
| Thurmond House |
| Tillandsia |
| Tioga Commissary |
| Todd, Dr. John W., House |
| Toliver Dining Hall-Louisiana Tech University |
| Toups, Zephirin, Sr., House |
| Touro-Shakspeare Home |
| Towles-Musso House |
| Townsend House |
| Toy House |
| Trappey’s Cannery |
| Trees City Office and Bank Building |
| Treme Market |
| Trinity |
| Trinity Episcopal Church |
| Trio Plantation House |
| Trosper House |
| Trout-Good Pine School |
| Trudeau House |
| Tulip Methodist Church |
| Tureaud, A.P., Sr., House |
| Turner's Hall |
| Turpin-Kofler-Buja House |
| Twitchell House |
| Tyrone Plantation |
| Union Bethel A.M.E. Church |
| Union Church |
| Union Federal Savings and Loan Association |
| United States Coast Guard Station No. 79 |
| U.S. Court of Appeals-Fifth Circuit |
| U.S. Customhouse |
| U.S. Mint, New Orleans Branch |
| U. S. Post Office |
| U.S. Post Office |
| US Post Office |
| US Post Office |
| U.S. Post Office and Courthouse |
| US Post Office and Courthouse-Alexandria |
| US Post Office and Courthouse-Baton Rouge |
| Valence House |
| Vallery, Jacquitte, Cabin |
| Valverda Plantation House |
| Varnado, D.A. and Son Store |
| Venus House |
| Vermilion Inn |
| Vernon Parish Courthouse |
| Veterans Administration Medical Center |
| Vickers House |
| Vicksburg, Shreveport, and Pacific Railroad Depot |
| Ville Platte Post Office |
| Villien, Dr. Joseph Angel, House |
| Vives House |
| Voorhies, D.W. House |
| Wakefield |
| Walker High School |
| Walker House |
| Walker, Morgan, House |
| Wall House |
| Walnut Creek Baptist Church |
| Walnut Grove |
| Walnut Grove |
| Warden's House-Old Louisiana State Penitentiary |
| Warren House |
| Warren, Robert Penn, House |
| Wascom House |
| Washington, Booker T., High School |
| Wasson, Alberry, Homeplace |
| Waterproof High School |
| Waters Pierce Oil Company Stable Building |
| Watkins House |
| Wayside Inn |
| Webster Parish Library Building |
| Welcek Farmstead |
| Welsh-Levy Building |
| Wesley House |
| Weyanoke |
| White, Edward Douglass, House |
| Whitehall Plantation House |
| White Hall Plantation House |
| White Rock Saloon |
| White's Chapel United Methodist Church |
| Whitney National Bank (Poydras Branch) |
| Wickliffe |
Data from United States Park Service and Wikidata
