| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jacinto | city | Mississippi | United States | 34.76 | -88.43 | 830 | |
| Jack | city | Mississippi | United States | 32.02 | -90.57 | 223 | |
| Jackson | city | Mississippi | United States | 32.30 | -90.18 | 265 | |
| Jackson Landing | city | Mississippi | United States | 30.21 | -89.57 | 9 | |
| Jackson i Mississippi | city | Mississippi | United States | 32.30 | -90.18 | 265 | |
| Jago | city | Mississippi | United States | 34.94 | -89.98 | 337 | |
| Jaketown | city | Mississippi | United States | 33.25 | -90.48 | 98 | |
| James | city | Mississippi | United States | 33.20 | -91.06 | 108 | |
| Jamestown | city | Mississippi | United States | 31.18 | -89.86 | 170 | |
| Janice | city | Mississippi | United States | 31.03 | -89.04 | 203 | |
| Jaquith | city | Mississippi | United States | 33.77 | -90.54 | 131 | |
| Jayess | city | Mississippi | United States | 31.36 | -90.21 | 830 | |
| Jaynesville | city | Mississippi | United States | 31.78 | -89.77 | 830 | |
| Jeannette | city | Mississippi | United States | 31.49 | -91.24 | 298 | |
| Jeff | city | Mississippi | United States | 32.42 | -89.13 | 830 | |
| Jeff Davis | city | Mississippi | United States | 32.19 | -90.88 | 298 | |
| Jeff Davis (historical) | city | Mississippi | United States | 33.23 | -88.75 | 249 | |
| Jefferson | city | Mississippi | United States | 33.63 | -89.90 | 298 | |
| Jefferson | city | Mississippi | United States | 31.66 | -90.98 | 830 | |
| Jeffries | city | Mississippi | United States | 34.50 | -90.54 | 173 | |
| Jenkins | city | Mississippi | United States | 31.59 | -89.16 | 223 | |
| Jennings | city | Mississippi | United States | 31.19 | -90.38 | 357 | |
| Jericho | city | Mississippi | United States | 34.51 | -88.75 | 830 | |
| Jetts | city | Mississippi | United States | 32.31 | -90.90 | 121 | |
| Jewells Hill (historical) | city | Mississippi | United States | 32.17 | -89.19 | 830 | |
| Jobes | city | Mississippi | United States | 34.86 | -88.50 | 830 | |
| Joe (historical) | city | Mississippi | United States | 32.05 | -89.81 | 351 | |
| Johns | city | Mississippi | United States | 32.13 | -89.84 | 367 | |
| Johnson | city | Mississippi | United States | 31.54 | -89.14 | 347 | |
| Johnson Heights | city | Mississippi | United States | 34.32 | -88.68 | 337 | |
| Johnsonville | city | Mississippi | United States | 33.42 | -90.60 | 111 | |
| Johnston | city | Mississippi | United States | 33.28 | -90.89 | 101 | |
| Johnstons Station | city | Mississippi | United States | 31.35 | -90.45 | 377 | |
| Johnsville | city | Mississippi | United States | 31.55 | -91.35 | 147 | |
| Jolly | city | Mississippi | United States | 33.94 | -88.79 | 341 | |
| Jonathan | city | Mississippi | United States | 31.22 | -88.64 | 85 | |
| Jones Chapel | city | Mississippi | United States | 33.36 | -90.91 | 98 | |
| Jones Crossing | city | Mississippi | United States | 33.12 | -90.14 | 249 | |
| Jones Mill | city | Mississippi | United States | 30.40 | -89.18 | 29 | |
| Jones Subdivision | city | Mississippi | United States | 33.99 | -88.45 | 252 | |
| Jonestown | city | Mississippi | United States | 32.84 | -90.43 | 147 | |
| Jonestown | city | Mississippi | United States | 34.87 | -88.67 | 830 | |
| Jonestown | city | Mississippi | United States | 34.32 | -90.46 | 167 | |
| Jonestown | city | Mississippi | United States | 32.32 | -90.87 | 193 | |
| Joplin (historical) | city | Mississippi | United States | 33.03 | -89.47 | 830 | |
| Joseph | city | Mississippi | United States | 32.98 | -89.73 | 324 | |
| Jug Fork | city | Mississippi | United States | 34.43 | -88.79 | 334 | |
| Jumpertown | city | Mississippi | United States | 34.71 | -88.66 | 830 | |
| Junction City | city | Mississippi | United States | 31.96 | -88.57 | 298 | |
| Juniper Grove | city | Mississippi | United States | 30.77 | -89.50 | 298 |