Louisiana - Significance region: Local
| Trudeau House |
| Tulip Methodist Church |
| Tureaud, A.P., Sr., House |
| Turner's Hall |
| Twitchell House |
| Union Bethel A.M.E. Church |
| Union Church |
| Union Federal Savings and Loan Association |
| United States Coast Guard Station No. 79 |
| 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 |
| U.S. Quarantine Station |
| Valence House |
| Vallery, Jacquitte, Cabin |
| Varnado, D.A. and Son Store |
| Venus House |
| Vermilion Inn |
| Vernon Parish Courthouse |
| Vickers House |
| Vicksburg, Shreveport, and Pacific Railroad Depot |
| Ville Platte Post Office |
| Villien, Dr. Joseph Angel, House |
| Virginia Street Historic District |
| Vives House |
| Voorhies, D.W. House |
| Wakefield |
| Walker High School |
| Walker House |
| Walker, Morgan, House |
| Wall House |
| Walnut Creek Baptist Church |
| Walnut Grove |
| Warden's House-Old Louisiana State Penitentiary |
| Warren House |
| Wascom House |
| Washington, Booker T., High School |
| Washington Historic District |
| Waterproof High School |
| Waters Pierce Oil Company Stable Building |
| Watkins House |
| Webster Parish Library Building |
| Welcek Farmstead |
| Welsh-Levy Building |
| Wesley House |
| West Monroe Historic District |
| Weyanoke |
| Whitehall Plantation House |
| White Hall Plantation House |
| White Rock Saloon |
| White's Chapel United Methodist Church |
| White Sulphur Springs |
| Whitney National Bank (Poydras Branch) |
| Wickliffe |
| Wier House |
| Wilder House |
| Wildwood |
| Wildwood Plantation House |
| Williams Cemetery |
| Williams, James Hugh, House |
| Wingate House |
| Winnsboro Commercial Historic District |
| Winter Quarters |
| Women's Gymnasium, Northwestern State University |
| Wooddale Tower |
| Woodland Plantation |
| Wood Park |
| Wossman House |
| Yellow Pine School |
| YMCA, Downtown Branch |
| Zachary Railroad Depot |
| Zappe Boarding House |
| Zemurray Gardens Lodge Complex |
Data from United States Park Service and Wikidata
