Regions of Philippines
- Oco River
- Oco Island
- Oco
- Ocini
- Ochoa Reefs
- Ochanado
- Occidental
- Mandong Hill
- Ocata Island
- Ocasion
- Ocaña
- Ocampo
- Ocampo
- Ocam Ocam
- Obuyon
- Obung Point
- Mount Obulon
- Obujan
- Obuhan
- Obuhan
- Obugun Point
- Obugun Bay
- Obug
- Mount Obudan
- Obuat
- Obtaban River
- Observatory Rock
- Obrero
- Obrevo
- Obrero
- Oboyoboy
- Oboob
- Oboob
- Obo-ob
- Oboob
- Obon Point
- Obongobong
- Obong Mountain
- Obong
- Obong
- Ubol
- Obod Point
- Obad
- Obo
- Obo
- Uba
- Obo
- Obispo River
- Obispo River
- Obfal
- Obelisk Peak
- Obelisk Hill
- Obayan
- Obo River
- Obando
- Obando
- Oban
- Obaliw
- Oba
- Dayangan
- Catung Point
- Oota River
- Oas
- Oas
- Oaquing
- Oaqui
- Oalin
- Dalao
- Oak River
- Oak Island
- Oding Creek
- Oaig Daya River
- Oaig Daya
- Oaig Creek
- Oacan Point
- Oac
- Oac
- Nuynuyin
- Nutol
- Nusa Tacbu Channel
- Nusa Nusa Island
- Nusanusa Batu Islands
- Nusa Nusa
- Nusa Islands
- Nusa Island
- Nusa Buani Island
- Nurunaguim
- Nuro
- Nuro
- Nupulan
- Nunuyan River
- Nunuyan Point
- Nunuyan Bay
- Nunuyan
- Nunun Point
- Nunungan Lake
- Nunuñgan
- Nunuñgan
- Nunungan
- Nunukan
- Nunongan
- Nunocan
- Nungawa
- Nuñez Shoal
- Nunang
- Numing Island
- Numero Tres
- Numero Dos
- Numero
- Numangan
- Numancia
- Numancia
- Nulton Point
- Nuling Ridge
- Nuling Creek
- Noling
- Nulan Creek
- Nuitnuit
- Nuing River
- Nui Island
- Nugulong River
- Nuglayan
- Nugboc
- Nugas
- Nuevo Union
- Nuevo Trabajo
- Nuevo Sibagat
- Nuevo Puan
- Nuevo Ilocos
- Nuevo Campo Superior
- Nuevo Campo
- Nuevo
- Province of Nueva Vizcaya
- Nueva Vida Sur
- Nueva Vida
- Nueva Valencia
- Nueva Valencia
- Nueva Sevilla
- Nueva Invencion
- Nueva Gracia
- Nueva Fuerza
- Nueva Estrella
- Nueva Estrella
- Nueva Estrella
- Nueva Estrella
- Nueva Esperanza
- Nueva Era
- Nueva Era
- Nueva Era
- Province of Nueva Ecija
- Nueva Coveta
- Nueva Campo Libertad
- Nueva Apolonia
- Nueva Estrella
- Nuestra Señora de la Paz
- Nuestra Señora de la Merced
- Nucolyail
- Nucia
- Nuang Point
- Nuangan
- Noyan Point
- Noveleta River
- Noveleta
- Noveleta
- Novele
- Novallas
- La Mesa Dam Reservoir
- Novaliches Proper
- Novaliches
- Nouvilas Oriental
- Nouvilas Occidental
- Notong
- Notch Island
- Norzagaray
- Norzagaray
- Northwest Rock
- Northwest Rock
- Northwest Point
- Northwest Point
- Northwest Pass
- Northwest Hill
- Northwest Head
- Northwest Shoals
- North West Channel
- Northwest Bay
- Northwest Bank
- Northwest Bank
- Mount Northwest
- North Verde Island
- North Ubian Island
- North Ubian
- North Tuluran Peak
- North Tetas de Santa
- North Tambo
- North Suribao
- North Summit
- North Sugar Loaf
- North Star Hill
- North Shoal
- North Sapa