| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Puerto Madres | city | Loreto | Peru | -4.02 | -76.50 | 830 | 0 |
| Puerto Madres | city | Loreto | Peru | -3.77 | -76.60 | 830 | 0 |
| Puerto Mainiqui | city | Cusco | Peru | -11.93 | -72.87 | 1669 | 298 |
| Puerto Mairo | city | Pasco | Peru | -9.92 | -75.26 | 928 | 251 |
| Puerto Malabrigo | city | La Libertad | Peru | -7.70 | -79.44 | 9 | 579 |
| Puerto Maldonadas | city | Madre de Dios | Peru | -12.59 | -69.19 | 830 | 29472 |
| Puerto Maldonado | city | Madre de Dios | Peru | -12.59 | -69.19 | 830 | 29472 |
| Puerto Mancora | city | Piura | Peru | -4.11 | -81.07 | 32 | 5023 |
| Puerto Manu | city | Madre de Dios | Peru | -12.25 | -70.90 | 971 | 288 |
| Puerto Mapuyo | city | Ucayali | Peru | -10.57 | -73.07 | 1220 | 149 |
| Puerto Markham | city | Puno | Peru | -13.33 | -69.66 | 1669 | 154 |
| Puerto Mayo | city | Cusco | Peru | -12.46 | -73.87 | 1669 | 1661 |
| Puerto Meliosilvo | city | San Martin | Peru | -7.07 | -76.67 | 1036 | 4636 |
| Puerto Meléndez | city | Loreto | Peru | -4.45 | -77.52 | 830 | 296 |
| Puerto Miaria | city | Cusco | Peru | -11.30 | -73.00 | 977 | 280 |
| Puerto Mishquiyacu | city | Amazonas | Peru | -5.78 | -78.35 | 1669 | 5002 |
| Puerto Misquiyacu | city | Amazonas | Peru | -5.78 | -78.35 | 1669 | 5002 |
| Puerto Monpot | city | Loreto | Peru | -4.18 | -71.97 | 331 | 0 |
| Puerto Moorin | city | La Libertad | Peru | -8.40 | -78.89 | 108 | 1434 |
| Puerto Morena | city | La Libertad | Peru | -7.59 | -78.89 | 1669 | 2629 |
| Puerto Mori | city | La Libertad | Peru | -8.40 | -78.89 | 108 | 1434 |
| Puerto Mori | city | Madre de Dios | Peru | -11.58 | -69.90 | 984 | 210 |
| Puerto Morla Concha | city | Loreto | Peru | -5.28 | -73.22 | 328 | 0 |
| Puerto Morín | city | La Libertad | Peru | -8.40 | -78.89 | 108 | 1434 |
| Puerto Motilones | city | San Martin | Peru | -6.00 | -76.98 | 2509 | 1785 |
| Puerto Motupe | city | Amazonas | Peru | -5.79 | -78.33 | 1669 | 5389 |