Indiana - Criteria: A (event)
| Tide Water Pumping Station |
| Tippecanoe Battlefield |
| Tippecanoe County Courthouse |
| Tippecanoe Twp. District No. 3 Schoolhouse and Cemetery |
| Tipton County Jail and Sheriff's Home |
| Toner Historic District |
| Town Hall (Castle Hall) |
| Traders Point Eagle Creek Rural Historic District |
| Traders Point Hunt Rural Historic District |
| Trinity Episcopal Church |
| Turrell, Salmon, Farmstead |
| Twelve Points Historic District |
| Twin Bridges |
| Ulen Historic District |
| Union Christian College |
| Union Church and Cemetery, Old |
| Union City Commercial Historic District |
| Union City Passenger Depot |
| Union City Public Library |
| Union City School |
| Union County Courthouse |
| Union High Academy Historic District |
| University Club |
| University of Notre Dame: Main and South Quadrangles |
| Upper Main Street Historic District |
| U.S. Arsenal (Arsenal Technical High School) |
| U.S. Courthouse and Post Office |
| US Post Office-Brazil |
| USS LST 325 (tank landing ship) |
| Utter-Gerig Round Barn |
| Van Buren Terrace Historic District |
| VanHuys, Andrew B., Round Barn |
| Van Reed Farmstead |
| Venoge Farmstead |
| Veraestau |
| Vermillion County Courthouse |
| Vermillion County Jail and Sheriff's Residence |
| Vermilyea Inn Historic District |
| Versailles School and Tyson Auditorium |
| Victory Theater and Hotel Sonntag |
| Vienna |
| Vigo County Courthouse |
| Vigo County Home for Dependent Children |
| Vincennes Fortnightly Club |
| Vincennes Historic District |
| Vinegar Hill Historic District |
| Virginia Avenue District |
| Vurpillat's Opera House |
| Wabash and Erie Canal Culvert #100 |
| Wabash Avenue-West Historic District |
| Wabash Railroad Depot |
| Wabash Township Graded School |
| Walker Field Shelterhouse |
| Walker, Madame C. J., Building |
| Wallace Circus and American Circus Corporation Winter Quarters |
| Walnut Ridge Friends Meetinghouse |
| Walnut Street Historic District |
| Walnut Street Historic District |
| Ward Township District No. 5 School |
| Warren County Courthouse |
| Warsaw Courthouse Square Historic District |
| Warsaw Cut Glass Company |
| Washington, Booker T., School |
| Washington, Booker T., School |
| Washington Commercial Historic District |
| Washington County Courthouse |
| Washington County Jail and Sheriff's Residence |
| Washington Park |
| Washington Park Historic District |
| Washington Street-Monument Circle Historic District |
| Waterloo Community Mausoleum |
| Water Street/Darden Road Bridge |
| Watson House |
| Watson Park Historic District |
| Webster, George, Jr. and Marie Daugherty, House |
| Welborn Historic District |
| Wells County Courthouse |
| Wenger, Martin, Farmhouse |
| Wertz-Bestle Farm |
| West Baden National Bank |
| West Baden Springs Hotel |
| West Central Historic District |
| West Eighth Street Historic District |
| West End Historic District |
| West Fifth Avenue Apartments Historic District |
| Westleigh Farms |
| West Side Historic District |
| West Union Bridge |
| West Wabash Historic District |
| West Washington Historic District |
| West Washington Street Bridge |
| West Washington Street Pumping Station |
| Westwood Historic District |
| Wheeler-Schebler Carburetor Company |
| Wheeler-Stokely Mansion |
| Whitelock, Henry F., House and Farm |
| Whitewater Canal Historic District |
| Whiting Memorial Community House |
| Whitley County Courthouse |
| Wilbur School |
Data from United States Park Service and Wikidata
