Mississippi - Role: Building
| Newsom - Adams Family Farm House |
| Newsom-Lane House |
| Newsom-Smith House |
| Newton County American Legion Post No. 89 Hut |
| New York, The |
| Niles House |
| Niles, Judge Henry C., House |
| Niolon Building |
| Noel, Gov. Edmund F., House |
| North Church Primary School |
| North Manor Apartments |
| Norwood-TWL Building |
| N & W Overall Company Building |
| Oakes, Augustus J., House |
| Oak Grove |
| Oakland |
| Oakland |
| Oakland Chapel |
| Oaks, The |
| Oakview |
| Oakwood |
| Ocean Springs Community Center |
| Office and Banking House of West Feliciana Railroad |
| O'Keefe-Clark Boarding House |
| Old Brickyard Place |
| Old Courthouse, Warren County |
| Old Delta Democrat Times Building |
| Old Depot Restaraunt and Lounge |
| Old Farmers and Merchants State Bank |
| Old Fort House |
| Old Hattiesburg High School |
| Old Homestead |
| Old Noxubee County Jail |
| Old Noxubee County Jail of 1870 |
| Old Ocean Springs High School |
| Old Philadelphia Church |
| Old Spanish Fort |
| Old State Capitol |
| Old Superintendent's House, Tupelo Fish Hatchery |
| Old Terminal Building, Hawkins Field |
| Old Tishomingo County Courthouse |
| Old Water and Electric Light Plant |
| Old Wesson Public School Building |
| Oliver House |
| Olsen, Lena, House |
| Outlaw, Dossey A., Plantation |
| Overseer's House and Outbuildings of Lang Plantation |
| Owen-Richardson-Owen House |
| Parsons, C. H., House |
| Pascagoula Central Fire Station No. 1 |
| Pascagoula High School, Old |
| Pascagoula Street Railroad and Power Company |
| Patterson, Charles, House |
| Paxton House |
| Pecan Grove |
| Pemberton's Headquarters |
| Peoples Bank and Trust Company |
| Peoples Bank of Biloxi |
| Perkins House |
| Peyton House |
| Phoenix Hall-Johnson-Harper House |
| Pigford Building |
| Pilgrim's Rest |
| Pine Ridge Church |
| Pinewood |
| Pittman Log House |
| Planters Hall |
| Pleasant Hill |
| Pleasant Hill |
| Pleasant Valley Methodist Church |
| Polk-Sherard-Hinman House |
| Poplar Hill Grade School |
| Popular Price Store |
| Porter-Crawford House |
| Porter House |
| Porterville General Store |
| Port Gibson High School (Old) |
| Port Gibson Oil Works Mill Building |
| Powell-Vail House |
| Prairie Place |
| Prairie Plantation House |
| Prentiss Club |
| Price-Patton-Pettis House |
| Price-Stephens House |
| Propinquity |
| Provine House |
| Purnell, James C., House |
| Quarles, W. J., House and Cottage |
| Quitman Depot |
| Railroad Section Foreman's House |
| Rankin County Courthouse |
| Ravenna |
| Ravennaside |
| Rea, Dr. Robert W., House |
| Rea, James Samuel, House |
| Redding House |
| Reid House |
| Richland |
| Richmond |
| Ricks Memorial Library |
Data from United States Park Service and Wikidata
