Tennessee - Role: Building
| Mountview |
| Mount Zion Church |
| Mount Zion Methodist Episcopal Church South |
| Mount Zion Missionary Baptist Church |
| Moye Boarding House |
| Mt. Airy |
| Mt. Carmel Presbyterian Church |
| Mt. Zion Colored Methodist Episcopal Church |
| Mt. Zion Negro School |
| Municipal Building |
| Murphy Hotel |
| Murphy Springs Farm |
| Murray Farm |
| My Grandfather's House |
| Nance Building |
| Napier, Richard C., House |
| Nashville Arcade |
| Nashville, Chattanooga and St. Louis Railway Section House |
| Nashville, Chattanooga & St. Louis Passenger Depot-Jackson |
| Nashville Children's Museum |
| Nashville Christian Institute Gymnasium |
| Nashville Union Station |
| National Campground |
| National Cotton Council Building |
| National Teacher's Normal and Business College Administration Building |
| National Trust Life Insurance Company Building |
| Neely, John, House |
| Nelson's Greenbrier Distillery |
| Netherland Inn and Complex |
| 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 Baptist Church |
| New Salem United Methodist Church |
| New Southern Hotel |
| Niota Depot |
| Noel Hotel |
| Nolan, James N., House |
| Nolensville School |
| Northcutt, H. B., House |
| Northcutt Plantation |
| Northcutts Cove Chapel |
| Northington-Beach House |
| Northside United Presbyterian |
| Oak Grove Elementary School |
| Oak Grove Methodist Church |
| Oak Grove School |
| Oak Hall |
| Oakham |
| Oakland |
| Oakland Presbyterian Church |
| Oaklands |
| Oakley |
| Oak Ridge Turnpike Checking Station |
| Oakslea Place |
| Oak Top |
| Obion County Courthouse |
| O'Bryan, George, House |
| Ochs Building |
| Ocoee Hydroelectric Plant No. 2 |
| O'Dell House |
| Oden, Dr. Hezekiah, House |
| Ogilvie, William, House |
| Oglesby School |
| Old College |
| Old Deery Inn |
| Old Fentress County Jail |
| Old Grainger County Jail |
| Old Hickory Methodist Church |
| Old Jail |
| Old Kingsport Presbyterian Church |
| Old Knoxville City Hall |
| Old Library Building |
| Old Post House |
| Old Post Office |
| Old Post Office Building |
| Old Scott County Jail |
| Old Town |
| Oliver Springs Banking Company |
| Olivet United Methodist Church, Parsonage and School |
| Omicron Sigma Chapter House of Sigma Gamma Rho Sorority, Incorporated |
| One Hundred North Main Building |
| Original Church of God |
| Orpheum Theatre |
| Ossoli Circle Clubhouse |
| Ousley, Baite, House |
| Overbrook |
| Overton County Courthouse |
| Overton Park Court Apartments |
| Owen Chapel Church of Christ |
| Owen, Charles, House |
| Owen-Cox House |
| Owen, Dr. Urban, House |
| Owen-Primm House |
| Ownby, John, Cabin |
| Paisley Hall |
Data from United States Park Service and Wikidata
