| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Seabrook | city | Louisiana | United States | 30.03 | -90.01 | 3 | |
| Seabrook | city | Louisiana | United States | 30.03 | -90.03 | 3 | |
| Seale | city | Louisiana | United States | 30.56 | -93.44 | 98 | |
| Searcy | city | Louisiana | United States | 31.71 | -92.23 | 114 | |
| Sebastopol | city | Louisiana | United States | 29.87 | -89.87 | 3 | |
| Second Lake (historical) | city | Louisiana | United States | 30.66 | -91.79 | 22 | |
| Security | city | Louisiana | United States | 31.53 | -91.82 | 55 | |
| Segura | city | Louisiana | United States | 30.04 | -91.86 | 22 | |
| Seibert (historical) | city | Louisiana | United States | 30.73 | -91.50 | 9 | |
| Sellers | city | Louisiana | United States | 30.00 | -90.43 | 3 | |
| Selma | city | Louisiana | United States | 31.74 | -92.39 | 98 | |
| Seneca Mobile Home Park | city | Louisiana | United States | 30.31 | -91.24 | 3 | |
| Sentell | city | Louisiana | United States | 32.65 | -93.80 | 164 | |
| Serena | city | Louisiana | United States | 31.44 | -91.86 | 49 | |
| Seven Oaks Mobile Home Park | city | Louisiana | United States | 30.48 | -90.92 | 36 | |
| Seymourville | city | Louisiana | United States | 30.28 | -91.22 | 22 |