| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Soco | city | Louisiana | United States | 33.00 | -93.15 | 344 | |
| Socola | city | Louisiana | United States | 29.53 | -89.76 | 19 | |
| Soileau | city | Louisiana | United States | 30.65 | -92.12 | 52 | |
| Soileau | city | Louisiana | United States | 30.59 | -92.65 | 59 | |
| Solars Mobile Home Park | city | Louisiana | United States | 29.79 | -90.87 | 6 | |
| Solitude | city | Louisiana | United States | 30.83 | -91.43 | 98 | |
| Solley Hill | city | Louisiana | United States | 32.87 | -94.04 | 196 | |
| Somers (historical) | city | Louisiana | United States | 30.80 | -91.81 | 26 | |
| Somerset | city | Louisiana | United States | 32.18 | -91.23 | 72 | |
| Sondheimer | city | Louisiana | United States | 32.55 | -91.18 | 82 | |
| Songy (historical) | city | Louisiana | United States | 30.02 | -90.65 | 6 | |
| Soniat | city | Louisiana | United States | 30.17 | -91.16 | 16 | |
| Sorrel | city | Louisiana | United States | 29.89 | -91.62 | 3 | |
| Sorrento | city | Louisiana | United States | 30.18 | -90.86 | 3 | |
| Soulouque | city | Louisiana | United States | 30.27 | -91.16 | 22 | |
| South Baton Rouge | city | Louisiana | United States | 30.43 | -91.18 | 42 | |
| South Bend | city | Louisiana | United States | 29.63 | -91.54 | 3 | |
| South Bilt | city | Louisiana | United States | 30.51 | -90.50 | 42 | |
| South Broadmoor | city | Louisiana | United States | 30.44 | -91.08 | 49 | |
| South Dayton | city | Louisiana | United States | 30.48 | -91.14 | 55 | |
| South End | city | Louisiana | United States | 31.13 | -93.26 | 213 | |
| South Highland | city | Louisiana | United States | 30.35 | -91.14 | 19 | |
| South Highlands | city | Louisiana | United States | 30.38 | -91.11 | 29 | |
| South Kenner | city | Louisiana | United States | 29.96 | -90.27 | 3 | |
| South Mansfield | city | Louisiana | United States | 32.02 | -93.71 | 347 | |
| South Merrydale | city | Louisiana | United States | 30.50 | -91.12 | 59 | |
| South Merrywoods | city | Louisiana | United States | 32.55 | -93.56 | 236 | |
| South Pass | city | Louisiana | United States | 28.99 | -89.14 | 0 | |
| South Point | city | Louisiana | United States | 30.14 | -89.88 | 3 | |
| South River Oaks | city | Louisiana | United States | 30.45 | -91.02 | 29 | |
| South Sherwood Forest | city | Louisiana | United States | 30.44 | -91.05 | 32 | |
| South Shore Estates | city | Louisiana | United States | 32.51 | -93.89 | 167 | |
| South Towne Heights | city | Louisiana | United States | 32.40 | -93.83 | 196 | |
| South Vacherie | city | Louisiana | United States | 29.93 | -90.70 | 3 | |
| Southdown | city | Louisiana | United States | 29.59 | -90.74 | 6 | |
| Southdown Plantation | city | Louisiana | United States | 29.98 | -90.73 | 9 | |
| Southdowns | city | Louisiana | United States | 32.38 | -93.79 | 160 | |
| Southdowns | city | Louisiana | United States | 30.41 | -91.15 | 32 | |
| Southern Consumer Mobile Home Park | city | Louisiana | United States | 30.24 | -92.03 | 39 | |
| Southern Gardens | city | Louisiana | United States | 32.47 | -93.66 | 157 | |
| Southern Heights | city | Louisiana | United States | 30.52 | -91.18 | 59 | |
| Southern Hills | city | Louisiana | United States | 32.39 | -93.79 | 190 | |
| Southern Manor Mobile Home Park | city | Louisiana | United States | 30.31 | -89.73 | 19 | |
| Southern Mobile Home Park | city | Louisiana | United States | 30.20 | -90.95 | 9 | |
| Southern Oaks Mobile Home Park | city | Louisiana | United States | 29.86 | -89.99 | 3 | |
| Southern Terrace | city | Louisiana | United States | 32.54 | -93.70 | 167 | |
| Southgate Estates | city | Louisiana | United States | 32.42 | -93.70 | 157 | |
| Southgate Estates | city | Louisiana | United States | 32.46 | -93.65 | 157 | |
| Southland Mobile Home Park | city | Louisiana | United States | 29.98 | -92.10 | 13 | |
| Southmoore | city | Louisiana | United States | 30.43 | -91.07 | 45 | |
| Southpark | city | Louisiana | United States | 30.41 | -91.06 | 36 | |
| Southport | city | Louisiana | United States | 29.96 | -90.14 | 16 | |
| Southport Country | city | Louisiana | United States | 32.39 | -93.80 | 173 | |
| Southtowner Mobile Estates | city | Louisiana | United States | 30.17 | -93.25 | 13 | |
| Southwinds | city | Louisiana | United States | 32.48 | -92.04 | 59 | |
| Southwood | city | Louisiana | United States | 30.22 | -91.05 | 3 | |
| Southwood Ridge | city | Louisiana | United States | 30.48 | -90.44 | 22 |