Tennessee - Criteria: C (architecture/engineering)
| Monday House |
| Monroe County Courthouse |
| Monteagle Sunday School Assembly Historic District |
| Montgomery Bell Tunnel |
| Montpier |
| Moore County Courthouse and Jail |
| Moore Family Farm |
| Mooreland |
| Moore, William R., Dry Goods Building |
| Morgan, Col. Gideon, House |
| Morningside |
| Morris Memorial Building |
| Morristown Main Street Historic District |
| Morris, W. W., House |
| Morton, Benjamin, House |
| Morton, Samuel S., House |
| Mosby-Bennett House |
| Motheral, John, House |
| Mountain Branch, National Home For Disabled Volunteer Soldiers |
| Mount Olivet Cemetery |
| Mountview |
| Mount Zion Church |
| Mount Zion Methodist Episcopal Church South |
| Moye Boarding House |
| Mt. Airy |
| Mt. Carmel Presbyterian Church |
| Mt. Zion Colored Methodist Episcopal Church |
| Murphy Hotel |
| Murray Farm |
| Nashville Arcade |
| Nashville Children's Museum |
| Nashville City Cemetery |
| Nashville Financial Historic District |
| Nashville Union Station |
| National Teacher's Normal and Business College Administration Building |
| Neely, John, House |
| Newbern Illinois Central Depot |
| New Bethel Baptist Church |
| New Bethel Cumberland Presbyterian Church |
| Newburger, Joseph, House |
| Newman, Capt. James, House |
| New Market Presbyterian Church |
| New Providence Presbyterian Church, Academy, and Cemetery |
| New Salem United Methodist Church |
| Noel Hotel |
| Normal Station Historic District |
| Norris Dam State Park Rustic Cabins Historic District |
| Norris Hydroelectric Project |
| Northcutt Plantation |
| North Hills Historic District |
| Northington-Beach House |
| North Main Street Historic District |
| North Poplar Historic District |
| Northside United Presbyterian |
| North Washington Historic District |
| Oak Grove Methodist Church |
| Oak Hall |
| Oak Hill Farm |
| Oakland |
| Oakland Presbyterian Church |
| Oaklands |
| Oakley |
| Oak Ridge Historic District |
| Oakslea Place |
| Oak Top |
| Obion County Courthouse |
| Ocoee Hydroelectric Plant No. 2 |
| Ocoee No. 1 Hydroelectric Station |
| Ocoee Street Historic District |
| Oden, Dr. Hezekiah, House |
| Ogilvie, William, House |
| Ogle, Bud, Farm |
| Old Deery Inn |
| Old Gray Cemetery |
| Old Hickory Methodist Church |
| Old Kingsport Presbyterian Church |
| Old Knoxville City Hall |
| Old Library Building |
| Old North Knoxville Historic District |
| Old Post Office Building |
| Old Town |
| Olivet United Methodist Church, Parsonage and School |
| Omohundro Water Filtration Complex District |
| One Hundred North Main Building |
| Original Church of God |
| Orpheum Theatre |
| Ossoli Circle Clubhouse |
| Overbrook |
| Overton Park Historic District |
| Owen Chapel Church of Christ |
| Owen, Dr. Urban, House |
| Owen-Primm House |
| Ownby, John, Cabin |
| Paisley Hall |
| Palace Theater |
| Palmer, Gen. Joseph B., House |
| Palmer, W. E., House |
| Palmetto Farm |
| Paris Commercial Historic District |
| Park City Historic District |
Data from United States Park Service and Wikidata
