- Partizan
- Parkovyy
- Parizh
- Pargolovo
- Parfino
- Parfenyevo
- Paraul
- Paranga
- Parabel
- Pankrushikha
- Pankovka
- Panino
- Pangody
- Pamyat Parizhskoy Kommuny
- Pallasovka
- Palkino
- Palekh
- Palatka
- Palana
- Pachelma
- Ozherelye
- Ozery
- Ozernyy
- Ozernovskiy
- Oyskhara
- Oyek
- Overyata
- Otrado-Kubanskoye
- Otradnyy
- Otradnoye
- Otradnaya
- Otrada
- Otkaznoye
- Ostrovtsy
- Ostrovskoye
- Ostrovnoy
- Ostrov
- Ostrogozhsk
- Ostashkov
- Ossora
- Osinovo
- Osinniki
- Osinki
- Oselki
- Orsk
- Orshanka
- Orsha
- Orotukan
- Orlovo
- Orlovka
- Orlov
- Orlik
- Orichi
- Orgtrud
- Orenburg
- Orel-Izumrud
- Orel
- Orekhovo-Zuyevo
- Ordzhonikidzevskiy
- Ordzhonikidzevskaya
- Ordynskoye
- Orda
- Oranzherei
- Opochka
- Opechenskiy Posad
- Oparino
- Opalikha
- Onokhoy
- Onokhino
- Onguday
- Onega
- Omutninsk
- Omutinskiy
- Omsukchan
- Olym
- Olovyannaya
- Olonets
- Olkhovatka
- Olgino
- Olga
- Olenino
- Olenek
- Olenegorsk
- Olekminsk
- Ola
- Okulovka
- Oksovskiy
- Okoneshnikovo
- Okhotsk
- Okhansk
- Okha
- Odoyev
- Odintsovo
- Odesskoye
- Ocher
- Obukhovo
- Obsharovka
- Oboyan
- Obolensk
- Obninsk
