S
- A
- A Streetcar Named Desire
- 6.9 f., 6.10 b.: African Slavery in French Colonial Louisiana
- Alexander Stolin
- J
- J. P. Scott
- Jared Young Sanders
- Jean Seidenberg
- Jennifer Shaw
- Jimmy Swaggart
- Joe W. Sanders
- John Scott
- José Francisco Xavier de Salazar y Mendoza
- Josephine Sacabo
- Julia Sims
- L
- Lakefront Airport
- Leslie Staub
- Louis Armstrong
- 8.12 e.: Louis Armstrong
- Louis Henry Sullivan
- Louis “Rags” Scheuermann
- Louis Sahuc
- Louisiana’s Secession from the Union
- 7.13 b.: Louisiana’s Secession from the Union
- Luigi Marie Sotta
- Lula King Saxon
- Lyle Saxon
- M
- Manuel Juan de Salcedo
- Marc Savoy
- Marie Louise Snellings
- Marie Seebold
- Marion Souchon
- Mark Sindler
- Marshall Joseph Smith Jr.
- Mary Sheerer
- Meyer Strauss
- Michael P. Smith
- S
- Sagamité
- Saint-Domingue Revolution
- San Francisco Plantation
- San Patrice Culture
- Shadows-on-the-Teche Plantation
- Shape Note Singing
- Sharecropping
- Shed Road
- Sherwood “Woody” Gagliano
- Shirley and Lee
- Shotgun House
- Shreve Town Company
- 7.10 k.: Shreve Town Company
- Sicilian Lynchings in New Orleans
- Siege of Port Hudson
- 7.13 d.: Siege of Port Hudson
- Sieur de Sauvole
- Singer Submarine Company
- Slaughterhouse Case
- 7.12 d.: German Coast Slave Insurrection of 1811
- Slave Insurrections in Louisiana
- Slavery in French Colonial Louisiana
- Slavery in Spanish Colonial Louisiana
- Slidell
- Slim Harpo
- Snoballs
- Société d’Economie et d’Assistance Mutuelle
- Son House
- Southeastern Louisiana University
- Southern Art Union
- Southwestern Humor
- Spanish Colonial Louisiana
- 6.10 a.–f.: Spanish Colonial Louisiana
- Spiritualism
- SS Kentucky Disaster
- St. Bernard Parish Courthouse
- St. Charles Borromeo Catholic Church
- St. Emma Plantation
- St. Francis Cabrini Church
- St. Francis Chapel of Point Coupee
- St. John the Evangelist Catholic Church, Plaquemines
- St. Louis Cathedral
- 1.8 d.: St. Louis Cathedral
- St. Louis Cemeteries No. 1, No. 2, and No. 3
- St. Mark’s Community Center
- St. Paul’s Bottoms
- St. Peter Street Cemetery
- Standard Oil
- 8.8 c., 8.12 f. : Standard Oil
- Steamboat Princess Disaster
- Steel Magnolias
- Stewart Butler
- Storyville
- Stuffed Shrimp
- Swamp Pop
- Swamps in Literature, Film, and Folklore
