| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| St. Rose | city | Louisiana | United States | 29.95 | -90.32 | 16 | |
| Stacy | city | Louisiana | United States | 31.60 | -91.69 | 52 | |
| Stacy Landing | city | Louisiana | United States | 32.77 | -94.02 | 177 | |
| Stafford Place | city | Louisiana | United States | 30.42 | -91.13 | 29 | |
| Stamboul (historical) | city | Louisiana | United States | 32.61 | -91.17 | 85 | |
| Stampley | city | Louisiana | United States | 32.82 | -91.78 | 88 | |
| Standard | city | Louisiana | United States | 31.92 | -92.22 | 167 | |
| Standard | city | Louisiana | United States | 31.16 | -93.36 | 206 | |
| Standard Heights | city | Louisiana | United States | 30.47 | -91.18 | 52 | |
| Stanford Place | city | Louisiana | United States | 30.41 | -91.16 | 22 | |
| Stanley | city | Louisiana | United States | 31.96 | -93.90 | 259 | |
| Stanley | city | Louisiana | United States | 30.50 | -92.90 | 36 | |
| Stanton | city | Louisiana | United States | 29.92 | -89.94 | 6 | |
| Staples | city | Louisiana | United States | 32.36 | -93.82 | 160 | |
| Star | city | Louisiana | United States | 29.73 | -90.01 | 9 | |
| Star | city | Louisiana | United States | 30.03 | -91.06 | 13 | |
| Star (historical) | city | Louisiana | United States | 30.89 | -92.20 | 45 | |
| Starhill | city | Louisiana | United States | 30.76 | -91.31 | 98 | |
| Staring Acres | city | Louisiana | United States | 30.38 | -91.12 | 39 | |
| Starks | city | Louisiana | United States | 30.32 | -93.66 | 39 | |
| Starling (historical) | city | Louisiana | United States | 30.32 | -91.13 | 22 | |
| Starns | city | Louisiana | United States | 30.56 | -90.66 | 49 | |
| Start | city | Louisiana | United States | 32.49 | -91.86 | 68 | |
| State Line | city | Louisiana | United States | 30.98 | -89.95 | 209 | |
| Stay | city | Louisiana | United States | 31.47 | -92.49 | 173 | |
| Steele Place | city | Louisiana | United States | 30.44 | -91.15 | 49 | |
| Steeple Chase | city | Louisiana | United States | 32.44 | -93.86 | 242 | |
| Stegall | city | Louisiana | United States | 30.24 | -93.43 | 13 | |
| Stein | city | Louisiana | United States | 30.69 | -89.94 | 124 | |
| Stekey | city | Louisiana | United States | 30.32 | -92.01 | 32 | |
| Stella | city | Louisiana | United States | 29.82 | -90.00 | 13 | |
| Stephens | city | Louisiana | United States | 31.77 | -93.15 | 147 | |
| Stephenville | city | Louisiana | United States | 29.78 | -91.17 | 3 | |
| Sterling | city | Louisiana | United States | 29.81 | -91.48 | 3 | |
| Sterlington | city | Louisiana | United States | 32.70 | -92.09 | 75 | |
| Steven | city | Louisiana | United States | 32.50 | -92.17 | 88 | |
| Stevendale Estates | city | Louisiana | United States | 30.47 | -91.00 | 22 | |
| Stevendale Heights | city | Louisiana | United States | 30.48 | -91.00 | 22 | |
| Stevendale Park | city | Louisiana | United States | 30.47 | -91.00 | 22 | |
| Stevensdale | city | Louisiana | United States | 30.48 | -91.00 | 22 | |
| Stevenson | city | Louisiana | United States | 32.92 | -91.94 | 108 | |
| Stewart (historical) | city | Louisiana | United States | 30.96 | -92.27 | 45 | |
| Stewart Plantation | city | Louisiana | United States | 30.72 | -91.53 | 29 | |
| Stille | city | Louisiana | United States | 31.23 | -92.83 | 183 | |
| Stones Landing | city | Louisiana | United States | 32.08 | -91.57 | 49 | |
| Stonewall | city | Louisiana | United States | 32.28 | -93.82 | 223 | |
| Stonewalls (historical) | city | Louisiana | United States | 31.18 | -92.30 | 49 | |
| Stonewell Plantation | city | Louisiana | United States | 30.73 | -91.50 | 29 | |
| Stoney Point | city | Louisiana | United States | 30.82 | -90.28 | 209 | |
| Stonypoint (historical) | city | Louisiana | United States | 30.64 | -90.94 | 68 | |
| Story | city | Louisiana | United States | 29.91 | -89.91 | 3 | |
| Story Park | city | Louisiana | United States | 29.93 | -89.90 | 3 | |
| Storyville | city | Louisiana | United States | 29.96 | -90.07 | 3 | |
| Strader | city | Louisiana | United States | 30.32 | -90.41 | 3 | |
| Strawberry Heights Mobile Home Park | city | Louisiana | United States | 30.65 | -90.51 | 91 |