Louisiana - Criteria: A (event)
| Ouachita Coca-Cola Bottling Company, Inc.-Ouachita Candy Company, Inc. |
| Our Lady of Grace Church |
| Our Lady of Peace Catholic Church |
| Our Lady of the Assumption School |
| Palace Theatre |
| Palo Alto Plantation |
| Park View Guest House |
| Parkview Historic District |
| Pentagon Barracks |
| Percy-Lobdell Building |
| Perseverance Hall |
| Petroleum Tower |
| Phillips School |
| Piazza Cotton Gin |
| Pitot House |
| Plaisance School |
| Polmer Store |
| Ponthieu, Adam, Store-Big Bend Post Office |
| Port Hudson |
| Port Hudson National Cemetery |
| Powder Magazine |
| Poydras High School |
| Prince Hall Masonic Temple |
| Propinquity |
| Prud'homme, Jean Pierre Emmanuel, Oakland Plantation |
| Rankin House |
| Rapides Cemetery |
| Rapides Opera House |
| Red Hat Cell Block, Louisiana State Penitentiary |
| Reese Agriculture Building-Louisiana Tech University |
| Rhymes, Nonnie Roark, Memorial Library |
| Rice House |
| Richard Cattle Auction Barn |
| Robinson Business College |
| Robinson Hall-Louisiana Tech University |
| Rosale Plantation |
| Rosalie Plantation Sugar Mill |
| Rosebank Plantation House |
| Rose Theatre |
| Routhwood Elementary School |
| Ruston Central Fire Station |
| Ruston P. O. W. Camp Buildings |
| Ruston USO |
| Saenger Theatre |
| Satterfield Motor Company Building |
| Saux, Jean Marie, Building |
| Scott Street School |
| Shady Grove School and Community Building |
| Shirley Field |
| Shreveport Municipal Memorial Auditorium |
| Shreveport Water Works Company, Pump Station |
| Shreveport Woman's Department Club Building |
| Sills House |
| Southdown Plantation |
| Southern Pacific Railroad Depot |
| Southern Pacific Steam Locomotive #745 |
| Southern Railway Freight Office |
| Southern University Archives Building |
| Southern University Historic District |
| Stage Coach Inn |
| St. Alphonsus Church |
| Star Hill Post Office and Store |
| St. Augustine Catholic Church and Cemetery |
| St. Bernard Market |
| St. Charles Streetcar Line |
| St. Emma |
| Stewart-Dougherty House |
| St. Francis Chapel |
| St. Gabriel Roman Catholic Church |
| St. John Baptist Church |
| St. John's Episcopal Church and Cemetery |
| St. Joseph Historic District |
| St. Landry Lumber Company |
| St. Louis Cemetery No. 1 |
| St. Louis Cemetery No. 2 |
| St. Louis Plantation |
| St. Margaret Catholic Church |
| St. Martin Parish Courthouse |
| St. Mary's Assumption Church |
| St. Matthew High School |
| Stoker House |
| St. Paul Baptist Church-Morehead School |
| St. Paul Lutheran Church |
| St. Paul's Bottoms |
| St. Peter A.M.E. Church |
| Straight University Boarding House and Dining Hall |
| Strand Theatre |
| Strand Theatre |
| St. Stephen's Episcopal Church |
| St. Theresa Catholic Church and School |
| St. Vincent De Paul Roman Catholic Church |
| Sullivan House |
| Sunset High School |
| Supple's, J., Sons Mercantile Company, Ltd. |
| Sylvest House |
| Tacony Plantation House |
| Talbert-Pierson Grave Shelters |
| Tallulah Book Club Building |
| Tallulah Coca-Cola Bottling Plant |
| Tally's Bank |
Data from United States Park Service and Wikidata
