Connecticut - Area of significance: Military
| Acadian House |
| Allis-Bushnell House |
| Avery Point Lighthouse |
| Baldwin, Caleb, Tavern |
| Basset, Daniel, House |
| Bradford-Huntington House |
| Burnham Tavern |
| Camps Nos. 10 and 41 of Rochambeau's Army |
| Dorrance Inn |
| Fairfield Historic District |
| Fifth Camp of Rochambeau's Infantry |
| Footguard Hall |
| Fort Griswold |
| Fort Nathan Hale |
| Fort Stamford Site |
| Fort Trumbull |
| Forty-Seventh Camp of Rochambeau's Army |
| Fourth Camp of Rochambeau's Army |
| Gay, Ebenezer, House |
| Hooker, Sarah Whitman, House |
| Hubbard, Nehemiah, House |
| Humphreys, Gen. David, House |
| Huntington, Col. Joshua, House |
| Huntington, Gen. Jedidiah, House |
| Keeler Tavern |
| King, George, House |
| Knapp Tavern |
| Lebanon Green Historic District |
| March Route of Rochambeau's Army: Bailey Road |
| March Route of Rochambeau's Army: Manship Road-Barstow Road |
| March Route of Rochambeau's Army: Old Canterbury Road |
| March Route of Rochambeau's Army: Palmer Road |
| March Route of Rochambeau's Army: Plainfield Pike |
| March Route of Rochambeau's Army: Reservoir Road |
| March Route of Rochambeau's Army: Ridgebury Road |
| March Route of Rochambeau's Army: Scotland Road |
| March Route Rochambeau's Army-Hutchinson Road |
| Monroe Center Historic District |
| New Haven Armory |
| Old Newgate Prison |
| Old Wethersfield Historic District |
| Oliver White Tavern |
| Pequot Fort |
| Perkins-Bill House |
| Pitkin, Elisha, House |
| Putnam Farm |
| Putnam Memorial State Park |
| Revolutionary War Campsite |
| Sanford-Humphreys House |
| Sedgwick, Maj. Gen. John, House |
| Shaw Mansion |
| Sherman, David, House |
| Simeon North Factory Site |
| State Arsenal and Armory |
| Tully, William, House |
| U.S.S. NAUTILUS (submarine) |
| War Office |
| Webb, Joseph, House |
| White-Overton-Callander House |
| Windham Center Historic District |
| Woodbury Historic District No. 1 |
| Woodbury Historic District No. 2 |
Data from United States Park Service and Wikidata
