| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| J and J Mobile Home Park | city | Louisiana | United States | 30.22 | -92.18 | 29 | |
| J and K Mobile Park | city | Louisiana | United States | 29.44 | -90.29 | 3 | |
| J and L Mobile Home Park | city | Louisiana | United States | 29.88 | -92.18 | 3 | |
| Jack | city | Louisiana | United States | 30.74 | -90.71 | 187 | |
| Jackson | city | Louisiana | United States | 30.84 | -91.22 | 147 | |
| Jackson Landing | city | Louisiana | United States | 32.35 | -91.50 | 72 | |
| Jackson Park | city | Louisiana | United States | 30.56 | -91.04 | 59 | |
| Jackson Place | city | Louisiana | United States | 30.57 | -91.04 | 65 | |
| Jackson Road (historical) | city | Louisiana | United States | 30.72 | -91.24 | 121 | |
| Jacksonville (historical) | city | Louisiana | United States | 31.32 | -92.99 | 242 | |
| Jaco Mobile Home Park | city | Louisiana | United States | 30.27 | -91.93 | 9 | |
| Jacoby | city | Louisiana | United States | 30.92 | -91.79 | 26 | |
| James Daigle Mobile Home Park | city | Louisiana | United States | 30.31 | -91.96 | 9 | |
| James Mobile Home Park | city | Louisiana | United States | 30.24 | -93.12 | 9 | |
| Jamestown | city | Louisiana | United States | 32.34 | -93.21 | 219 | |
| Janie | city | Louisiana | United States | 31.46 | -92.89 | 144 | |
| Jarreau | city | Louisiana | United States | 30.62 | -91.45 | 16 | |
| Jay | city | Louisiana | United States | 29.60 | -90.47 | 3 | |
| Jean Lafitte | city | Louisiana | United States | 29.74 | -90.13 | 3 | |
| Jeanerette | city | Louisiana | United States | 29.91 | -91.66 | 13 | |
| Jefferson | city | Louisiana | United States | 29.97 | -90.15 | 13 | |
| Jefferson Heights | city | Louisiana | United States | 29.96 | -90.17 | 9 | |
| Jefferson Island | city | Louisiana | United States | 29.97 | -91.98 | 13 | |
| Jefferson Place | city | Louisiana | United States | 30.42 | -91.11 | 45 | |
| Jefferson Shadows | city | Louisiana | United States | 30.41 | -91.07 | 32 | |
| Jefferson Terrace | city | Louisiana | United States | 30.40 | -91.07 | 26 | |
| Jefferson Terrace East | city | Louisiana | United States | 30.40 | -91.07 | 29 | |
| Jena | city | Louisiana | United States | 31.68 | -92.13 | 164 | |
| Jena (historical) | city | Louisiana | United States | 30.41 | -90.43 | 3 | |
| Jenkins | city | Louisiana | United States | 30.81 | -90.14 | 147 | |
| Jenkins Pryce Place | city | Louisiana | United States | 30.54 | -91.17 | 62 | |
| Jennings | city | Louisiana | United States | 30.22 | -92.66 | 22 | |
| Jericho | city | Louisiana | United States | 31.27 | -92.87 | 193 | |
| Jesse James Mobile Home Park | city | Louisiana | United States | 30.17 | -93.26 | 13 | |
| Jesuit Bend | city | Louisiana | United States | 29.75 | -90.03 | 16 | |
| Jewella (historical) | city | Louisiana | United States | 32.47 | -93.81 | 229 | |
| Jigger | city | Louisiana | United States | 32.03 | -91.75 | 62 | |
| Jim's Mobile Home Park | city | Louisiana | United States | 30.38 | -90.55 | 3 | |
| Joe's Mobile Home Park | city | Louisiana | United States | 30.52 | -90.53 | 45 | |
| John (historical) | city | Louisiana | United States | 30.05 | -91.72 | 9 | |
| Johnson | city | Louisiana | United States | 29.69 | -91.46 | 3 | |
| Johnson | city | Louisiana | United States | 30.02 | -90.63 | 6 | |
| Johnson Bayou Landing | city | Louisiana | United States | 29.80 | -93.75 | 3 | |
| Johnson Landing | city | Louisiana | United States | 30.97 | -92.43 | 98 | |
| Johnson Ridge | city | Louisiana | United States | 29.77 | -90.82 | 9 | |
| Johnsons Bayou | city | Louisiana | United States | 29.76 | -93.66 | 3 | |
| Jones | city | Louisiana | United States | 32.97 | -91.65 | 98 | |
| Jones Creek | city | Louisiana | United States | 30.41 | -91.01 | 22 | |
| Jones Landing | city | Louisiana | United States | 31.88 | -91.78 | 45 | |
| Jonesboro | city | Louisiana | United States | 32.24 | -92.72 | 196 | |
| Jonesburg | city | Louisiana | United States | 32.53 | -91.76 | 82 | |
| Jonesville | city | Louisiana | United States | 31.63 | -91.82 | 13 | |
| Joor Road Mobile Home Park | city | Louisiana | United States | 30.59 | -91.05 | 68 | |
| Jordan Hill | city | Louisiana | United States | 31.85 | -92.52 | 111 | |
| Jordan Terrace | city | Louisiana | United States | 30.53 | -91.18 | 59 | |
| Joyce | city | Louisiana | United States | 31.94 | -92.60 | 104 | |
| Juanita | city | Louisiana | United States | 30.62 | -93.43 | 98 | |
| Judd | city | Louisiana | United States | 30.36 | -92.40 | 32 | |
| Judice | city | Louisiana | United States | 30.18 | -92.14 | 26 | |
| Julia (historical) | city | Louisiana | United States | 30.72 | -90.04 | 98 | |
| Julien | city | Louisiana | United States | 29.86 | -91.63 | 9 | |
| Junction | city | Louisiana | United States | 30.84 | -93.51 | 104 | |
| Junction City | city | Louisiana | United States | 33.01 | -92.73 | 196 | |
| Justice Trailer Court | city | Louisiana | United States | 29.90 | -90.11 | 6 | |
| Justina | city | Louisiana | United States | 31.98 | -91.43 | 52 |