- Saint John
- Saint Johns Island
- Saint Joseph
- Saint Landry
- Saint Louis
- Saint Louis
- Saint Martinville
- Saint Maurice
- Saint Maurice Towhead
- Saint Rest
- Saint Rosalie
- Saint Rose
- Saint Rose Plantation
- Saint Tammany
- Saint Tammany Corner
- Saint Thomas
- Saline
- Salix
- Salsburg
- Sambo
- Sampusand
- Samstown
- Samtown
- Samuels
- Sand Island
- Sand Spur
- Sandager
- Sandel
- Sandra
- Sandy Hill