| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Pearce (historical) | city | Mississippi | United States | 32.89 | -90.34 | 298 | |
| Pearl | city | Mississippi | United States | 32.00 | -90.20 | 246 | |
| Pearl | city | Mississippi | United States | 32.27 | -90.13 | 282 | |
| Pearl Hill | city | Mississippi | United States | 32.79 | -89.40 | 400 | |
| Pearl River | city | Mississippi | United States | 32.78 | -89.23 | 830 | |
| Pearlhaven | city | Mississippi | United States | 31.59 | -90.43 | 830 | |
| Pearlington | city | Mississippi | United States | 30.25 | -89.61 | 9 | |
| Pearson | city | Mississippi | United States | 32.25 | -90.12 | 298 | |
| Pecan | city | Mississippi | United States | 30.44 | -88.43 | 9 | |
| Pecan Acres | city | Mississippi | United States | 33.45 | -88.82 | 351 | |
| Pecan Creek | city | Mississippi | United States | 32.47 | -90.12 | 337 | |
| Pecan Grove | city | Mississippi | United States | 31.60 | -89.14 | 249 | |
| Pecan Grove Mobile Home Park | city | Mississippi | United States | 31.33 | -89.38 | 242 | |
| Pecan Ridge Mobile Home Park | city | Mississippi | United States | 30.45 | -89.13 | 36 | |
| Peden (historical) | city | Mississippi | United States | 32.82 | -88.77 | 400 | |
| Peelers | city | Mississippi | United States | 32.49 | -91.05 | 85 | |
| Pelahatchie | city | Mississippi | United States | 32.31 | -89.80 | 364 | |
| Pelahatchie Woods | city | Mississippi | United States | 32.38 | -90.00 | 393 | |
| Pelican Mobile Home Park | city | Mississippi | United States | 30.44 | -88.86 | 26 | |
| Pellez | city | Mississippi | United States | 33.48 | -89.38 | 344 | |
| Penantly | city | Mississippi | United States | 32.16 | -89.05 | 830 | |
| Pendorff | city | Mississippi | United States | 31.65 | -89.18 | 180 | |
| Penningtons Lake Subdivision | city | Mississippi | United States | 33.55 | -88.41 | 295 | |
| Penns | city | Mississippi | United States | 33.35 | -88.64 | 298 | |
| Pentecost | city | Mississippi | United States | 33.58 | -90.53 | 118 | |
| Penton | city | Mississippi | United States | 34.87 | -90.28 | 196 | |
| Peoria | city | Mississippi | United States | 31.14 | -90.68 | 344 | |
| Percy | city | Mississippi | United States | 33.11 | -90.88 | 98 | |
| Perdue | city | Mississippi | United States | 32.51 | -88.98 | 380 | |
| Perkinston | city | Mississippi | United States | 30.78 | -89.14 | 121 | |
| Perkinsville (historical) | city | Mississippi | United States | 33.10 | -88.86 | 413 | |
| Perota (historical) | city | Mississippi | United States | 32.42 | -88.98 | 354 | |
| Perry | city | Mississippi | United States | 30.72 | -89.14 | 252 | |
| Perrytown | city | Mississippi | United States | 31.33 | -91.17 | 150 | |
| Perth | city | Mississippi | United States | 31.66 | -90.87 | 830 | |
| Perthshire | city | Mississippi | United States | 33.98 | -90.91 | 150 | |
| Petal | city | Mississippi | United States | 31.35 | -89.26 | 154 | |
| Petal Mobile Home Park | city | Mississippi | United States | 31.35 | -89.26 | 177 | |
| Peteet | city | Mississippi | United States | 33.34 | -90.39 | 114 | |
| Petertown | city | Mississippi | United States | 34.66 | -88.13 | 830 | |
| Pettis Mobile Park | city | Mississippi | United States | 30.38 | -89.08 | 19 | |
| Peyton | city | Mississippi | United States | 31.84 | -90.80 | 255 |