| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
4351  | Despoblado de Pabur | Peru, Lambayeque | area | S 5° 22′ 0'' | W 80° 15′ 0'' |
| 4352 | Pabo | Peru, Piura | area | S 4° 45′ 25'' | W 81° 12′ 47'' |
4353  | Oyotún Oyontun,Oyontún,Oyotun,Oyotún | Peru, Lambayeque Chiclayo Province > Oyotun | populated place population 6,330 | S 6° 50′ 39'' | W 79° 18′ 3'' |
| 4354 | Ovegeria Ovegeria,Ovejeria,Ovejeria Hacienda,Ovejería | Peru, Piura Sullana Province > Marcavelica | populated place | S 4° 52′ 57'' | W 80° 49′ 19'' |
| 4355 | Hacienda La Otra Banda Hacienda La Otra Banda,La Otra Banda,Otra Banda | Peru, Lambayeque Chiclayo Province > Saña | populated place | S 6° 56′ 24'' | W 79° 34′ 42'' |
4356  | Cerro Osos Cerro Osos,Cerro de Osos | Peru, Piura Huancabamba Province > El Carmen De La Frontera | mountain | S 5° 0′ 57'' | W 79° 25′ 39'' |
| 4357 | Cerro Orquetos Cerro Orquetos,Orquetos | Peru, Tumbes Provincia de Tumbes > San Jacinto | mountain | S 3° 57′ 0'' | W 80° 29′ 0'' |
| 4358 | Hornopampa Hornopampa,Ornopampa,Ornopampa Hacienda | Peru, Piura Morropón Province > Salitral | populated place population 234 | S 5° 28′ 25'' | W 79° 44′ 25'' |
| 4359 | Punta Organo Chico Punta Los Organos,Punta Organo Chico,Punta Organos,Punta Organos Chico,Punta Órganos,Punta Órganos C... | Peru, Piura Provincia de Talara > Los Organos | point | S 4° 10′ 46'' | W 81° 8′ 41'' |
| 4360 | Orellana  | Peru, Loreto Ucayali Province > Vargas Guerra | seat of a third-order administrative division | S 6° 54′ 0'' | W 75° 10′ 0'' |
| 4361 | Cerro Pico Las Ollitas Cerro Pico Las Ollitas,Pico Ollitas | Peru, Piura Sullana Province > Marcavelica | peak | S 4° 12′ 38'' | W 80° 45′ 48'' |
| 4362 | Olleros Hacienda Olleros,Olleros,Olleros Hacienda | Peru, Piura Ayabaca Province > Ayabaca | populated place | S 4° 42′ 34'' | W 79° 38′ 20'' |
| 4363 | Olivares Fundo Olivares,Olivares,Olivares Hacienda | Peru, Piura Piura Province > Catacaos | populated place | S 5° 18′ 0'' | W 80° 39′ 0'' |
| 4364 | Hacienda Santa Rosa del Olivar Hacienda Santa Rosa del Olivar,Olivar,Santa Rosa del Olivar | Peru, Ancash Casma Province > Buena Vista Alta | populated place | S 9° 23′ 27'' | W 78° 10′ 38'' |
| 4365 | José Olaya Jose Olaya,José Olaya,Olaya,Viejo Olaya | Peru, Loreto Ucayali Province > Vargas Guerra | populated place population 428 | S 7° 2′ 48'' | W 75° 11′ 23'' |
| 4366 | Compañia Northern Mining Corporation | Peru, La Libertad | mining area | S 7° 59′ 0'' | W 78° 41′ 0'' |
| 4367 | Noria de Los Sánches Noria de Los Sanches,Noria de Los Sánches,Noria de los Sanchez,Noria de los Sánchez,Norie de los San... | Peru, Lambayeque Lambayeque Province > Olmos District | populated place | S 5° 58′ 30'' | W 79° 56′ 48'' |
| 4368 | Noria Honda | Peru, Lambayeque | area | S 5° 53′ 35'' | W 80° 19′ 36'' |
| 4369 | Hacienda Nomara Hacienda Nomara,Nomara,Nomara Hacienda | Peru, Piura Paita Province > La Huaca | populated place | S 4° 54′ 37'' | W 80° 52′ 52'' |
| 4370 | Niuche | Peru, Piura | area | S 5° 58′ 0'' | W 80° 58′ 0'' |
| 4371 | Cerro Negro Cerro Negro | Peru, Lambayeque Ferreñafe Province > Cañaris | mountain elevation 3175m | S 6° 1′ 4'' | W 79° 25′ 10'' |
| 4372 | Cerro Negro Cerro Negro | Peru, Cajamarca Department | mountain elevation 3650m | S 5° 11′ 26'' | W 79° 22′ 44'' |
| 4373 | Cerro Negro Cerro Negro | Peru, Piura Ayabaca Province > Pacaipampa | mountain elevation 3960m | S 5° 3′ 22'' | W 79° 28′ 58'' |
| 4374 | Punta La Negra Punta Negra,Punta la Negra | Peru, Piura Sechura > Sechura District | point | S 6° 3′ 15'' | W 81° 6′ 53'' |
4375  | Laguna Negra | Peru, La Libertad | lake | S 7° 53′ 49'' | W 78° 2′ 26'' |
| 4376 | Laguna Negra | Peru, Piura | lake | S 5° 3′ 35'' | W 79° 29′ 11'' |
| 4377 | Lago Nasitama-cocha | Peru, Loreto | lake | S 9° 30′ 0'' | W 74° 13′ 0'' |
| 4378 | Naranjos | Peru, Piura Ayabaca Province | locality | S 4° 55′ 35'' | W 79° 39′ 57'' |
| 4379 | Cerro Naranjo Cerro Naranjo | Peru, Piura Morropón Province > Chalaco | mountain elevation 3015m | S 5° 5′ 45'' | W 79° 45′ 51'' |
| 4380 | El Naranjo El Naranjo,Naranjo,Naranjo Ciudad | Peru, Piura Ayabaca Province > Lagunas | populated place | S 4° 47′ 51'' | W 79° 49′ 58'' |
| 4381 | Naranjal Hacienda Naranjal,Naranjal,Naranjal Hacienda | Peru, Lambayeque Lambayeque Province > Lambayeque | populated place | S 6° 42′ 44'' | W 79° 51′ 21'' |
| 4382 | Nangali Mangali,Nangali,Nangali Ciudad,Ñangali Ciudad | Peru, Piura Huancabamba Province > Huancabamba | populated place | S 5° 10′ 34'' | W 79° 27′ 2'' |
| 4383 | Namuyú Namuyu,Namuyu Ciudad,Namuyú,Namuyú Ciudad,Nanmuyu | Peru, Piura Morropón Province > Santa Catalina De Mossa | populated place | S 5° 4′ 0'' | W 79° 50′ 0'' |
| 4384 | Nayguapata Naiguapata,Naiguapata Hacienda,Nayguapata | Peru, La Libertad Sánchez Carrión Province > Marcabal | populated place population 204 | S 7° 41′ 47'' | W 77° 52′ 13'' |
| 4385 | Cerro Muahca Cerro Muahca,Cerro Musco,Cerro Mushca | Peru, Piura Ayabaca Province > Sapillica | mountain elevation 1894m | S 4° 47′ 19'' | W 79° 59′ 16'' |
| 4386 | Cerro Musa Pampa Cerro Musa Pampa,Cerro Musapampa,Cerro Musaparpa | Peru, Ancash Provincia de Santa > Chimbote | mountain elevation 918m | S 9° 0′ 9'' | W 78° 25′ 1'' |
| 4387 | Motocache Motocache,Motocache Hacienda,Motocachi | Peru, Ancash Provincia de Santa > Nepeña | populated place | S 9° 8′ 8'' | W 78° 12′ 19'' |
| 4388 | Mostaza Mostaza,Mostazas,Mostazas Ciudad | Peru, Piura Ayabaca Province > Ayabaca | populated place population 216 | S 4° 29′ 38'' | W 79° 40′ 55'' |
| 4389 | Cerro Morro de Eten Cerro Morro de Eten,Morro Eten | Peru, Lambayeque Chiclayo Province > Eten Puerto | hill | S 6° 56′ 27'' | W 79° 51′ 20'' |
| 4390 | Morón Cocha | Peru, Loreto | lake | S 2° 47′ 0'' | W 73° 30′ 0'' |
| 4391 | Moro Hacienda Moro,Moro,Morro | Peru, La Libertad Chepén Province > Chepen | populated place | S 7° 10′ 46'' | W 79° 26′ 1'' |
| 4392 | Monte Viejo Hacienda Monte Viejo,Monte Viejo,Monte Viejo Hacienda | Peru, Piura Piura Province > La Union | populated place | S 5° 21′ 22'' | W 80° 45′ 44'' |
| 4393 | Monte Seco | Peru, La Libertad | area | S 7° 42′ 0'' | W 79° 21′ 0'' |
| 4394 | Monte Rojas | Peru, Piura Provincia de Talara | locality | S 4° 29′ 52'' | W 81° 5′ 0'' |
| 4395 | Monte Redondo | Peru, Piura | area | S 5° 18′ 0'' | W 80° 58′ 0'' |
| 4396 | Monte Lima Monte Lima,Montelima,Montelima Hacienda | Peru, Piura Sullana Province > Ignacio Escudero | populated place | S 4° 51′ 40'' | W 80° 56′ 25'' |
| 4397 | Monte Carmelo | Peru, Piura | area | S 4° 56′ 0'' | W 81° 2′ 0'' |
| 4398 | Moncada Hacienda Moncada,Moncada,Moncada Hacienda | Peru, La Libertad Ascope > Magdalena De Cao | populated place population 216 | S 7° 52′ 7'' | W 79° 15′ 16'' |
| 4399 | Molino Hacienda El Molino,Molino,Molino Hacienda | Peru, Piura Piura Province > Castilla | populated place | S 5° 5′ 3'' | W 80° 37′ 33'' |
| 4400 | Cerro Mojica Cerro Mojica | Peru, Piura Huancabamba Province > El Carmen De La Frontera | mountain elevation 3557m | S 4° 56′ 48'' | W 79° 24′ 17'' |
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