Louisiana - Significance region: Local
| Rapides Cemetery |
| Rapides Opera House |
| Rapides Parish Library |
| Rawls Cabin |
| Ray Homestead |
| Rayville High School |
| Raziano House |
| Red Hat Cell Block, Louisiana State Penitentiary |
| Reese Agriculture Building-Louisiana Tech University |
| Reid, Dr. William E., House |
| Reiley-Reeves House |
| Residence Plantation House |
| Reymond House |
| Rice House |
| Richard Cattle Auction Barn |
| Richland Plantation |
| Riverlake |
| Rivet, Pierre Ernest, House |
| Riviere Building |
| Riviere House |
| Robeline Methodist Church |
| Roberts, Earl, House |
| Robichaux House |
| Robin House |
| Robinson Business College |
| Robinson, Eddie Sr., Historic District |
| Robinson Hall-Louisiana Tech University |
| Rome House |
| Romero, Andrew, House |
| Rosalie Plantation Sugar Mill |
| Rose Cottage |
| Roseland |
| Roseland Terrace Historic District |
| Roseneath |
| Rose Theatre |
| Roumain Building |
| Routhwood Elementary School |
| Roy, Dr. Thomas A., Sr., House |
| Roy, J. Arthur, House |
| Roy-LeBlanc House |
| Rugg Elementary School |
| Ruston Central Fire Station |
| Ruston Power and Light Plant |
| Ruston State Bank |
| Ruston USO |
| Ryan Street Historic District |
| Sabine High School |
| Saint Joseph's Co-Cathedral and Rectory |
| Saizon House |
| Salmen, Albert, House |
| Salmen, Fritz, House |
| Salmen House |
| Samson House |
| Sandbar Plantation House |
| Santa Maria Plantation House |
| Sardy House |
| Sargent House |
| Satterfield Motor Company Building |
| Saux, Jean Marie, Building |
| Schexnayder House |
| Schwegmann Bros. Giant Supermarket No. 1 |
| Scottish Rite Cathedral |
| Scottland Plantation House |
| Scott Street School |
| Scott, Thomas, House |
| Sebastopol Plantation House |
| Settoon, Luther V. and Josie N., House |
| Shades, The |
| Shadow House |
| Shell Building |
| Shiloh Baptist Church |
| Shreveport Commercial Historic District |
| Shreveport Fire Station #8 |
| Shreveport Woman's Department Club Building |
| Silliman Institute |
| Sills House |
| Sincer, Louis, House |
| Slagle House |
| Smart, Edmond Ellison, House |
| Smith, Clifford Percival, House |
| Smithfield Plantation House |
| Smith House |
| Snyder House |
| Solitude Plantation House |
| Sommerville-Kearney House |
| Sophie Gumbel Training School |
| Sorapuru House |
| Soulier House |
| Southern Railway Freight Office |
| South Highlands Fire Station |
| South Lakeview Historic District |
| Spanish Town |
| Spell House |
| Spring Ridge Baptist Church |
| St. Alphonsus Church |
| Standard Coffee Company Warehouse and Factory |
| St. Anne Catholic Church |
| St. Anthony of Padua Catholic Church |
| Star Cemetery |
| Star Hill Plantation Dependency |
Data from United States Park Service and Wikidata
