| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Black Bayou (historical) | city | Louisiana | United States | 32.84 | -93.93 | 246 | |
| Black Creek (historical) | city | Louisiana | United States | 31.69 | -92.57 | 196 | |
| Black Hawk | city | Louisiana | United States | 31.16 | -91.64 | 45 | |
| Black River (historical) | city | Louisiana | United States | 31.63 | -91.81 | 52 | |
| Blackburn | city | Louisiana | United States | 32.85 | -93.20 | 324 | |
| Blade | city | Louisiana | United States | 31.65 | -92.05 | 134 | |
| Blairstown | city | Louisiana | United States | 30.75 | -90.96 | 147 | |
| Blakes Addition | city | Louisiana | United States | 31.58 | -93.48 | 298 | |
| Blanchard | city | Louisiana | United States | 32.58 | -93.89 | 226 | |
| Blanche | city | Louisiana | United States | 30.92 | -92.61 | 147 | |
| Blankenship Mobile Home Park | city | Louisiana | United States | 30.16 | -93.28 | 13 | |
| Blanks | city | Louisiana | United States | 30.55 | -91.60 | 19 | |
| Blankston | city | Louisiana | United States | 32.24 | -92.13 | 49 | |
| Blond | city | Louisiana | United States | 30.60 | -90.10 | 98 | |
| Blue Lake Landing | city | Louisiana | United States | 30.98 | -92.44 | 49 | |
| Bluebonnet Ridge | city | Louisiana | United States | 30.37 | -91.10 | 22 | |
| Bluff Creek | city | Louisiana | United States | 30.75 | -90.86 | 98 | |
| Blume | city | Louisiana | United States | 32.27 | -92.99 | 180 | |
| Blythwood | city | Louisiana | United States | 30.20 | -91.21 | 6 |