Regions of South Korea
- Och’ŏng-san
- Odaesan-gungnipkongwŏn
- Ŏdowŏn
- Odu-ch’i
- Odu-ch’i
- Odu-ch’on
- Odujae
- Odu-jae
- Odu-jae
- Ŏdun-gol
- Ŏduni
- Oebanjŏm
- Oe-ch’on
- Oech’oni-gogae
- Oedomae
- Oeduman
- Oegijae
- Oenaegi-gol
- Oenamae
- Oenamsong
- Oeryong-ni
- Oesolbaegi
- Oesondolmok
- Oettunji
- Oewŏram
- Oeyongdun
- Ogi-jŏsuji
- Ogok-tong
- Ŏgu-mal
- Ogŭrani
- Ojam
- Ojŏl-li
- Ojeonyaksu
- Okchigi
- Okchigi-ji
- Okcheon-chodeunghakgyo
- Okcheondong
- Okch’ŏn-dong
- Okchŏn-gidowŏn
- Okch’ŏn-sa
- Okkaeul
- Okgangjeong
- Okkap-sa
- Okkap-san
- Ok-kol
- Okkorŭm
- Okkye-ri
- Oksal-li
- Ŏksil
- Oksŏng
- Eoksumok
- Okdolbong
- Oktong-ch’odŭnghakkyo
- Oktong-junghakkyo
- Ŏlguri-gul
- Oman-dong
- Ŏmbŏrŏk-kol
- Ŏmdun
- Ŏmdun-ch’i
- Omi-jŏsuji
- Omi-ri
- Ŏmjŏng-bogŏnso
- Eomjeong-myeon
- Ŏmjŏngmyŏn-samuso
- Omok-kol
- Omong-ni
- Ŏmsŭng-gol
- Omu
- Omugae
- Omus-san
- Ondalsanseong
- Ŏn-dong
- Eongae
- Ongimi
- Ongjŏng-ni
- Ongnyŏ-bong
- Oknyeobong
- Ongnyeobong
- Ongnyŏ-bong
- Ongnyeobong
- Ongnyŏ-san
- Onnamu-gol
- Ono-san
- Ŏp’yŏng
- Orae-gol
- Eoraesan
- Orang-ni
- Ŏ-ri
- Origol
- Ori-gol
- Ori-gol
- Origol
- Origol
- Origol-chae
- Origol-soryuji
- Orihyŏn-soryuji
- Orijŏng
- Orinaegol
- Eorisil
- Orit’ŏ-jae
- Ŏrŭm-gul
- Oryong-gol
- Ŏryŏng-gol
- Oryudong
- Osa
- Osal-li
- Osan-ch’i
- Ŏsangch’ŏn
- Eosangcheon-myeon
- Ŏsangch’ŏnmyŏn-samuso
- Oseguk
- Osŏng-ni
- Ŏsŏng-san
- Ŏtchae
- Oŭm-bong
- Oŭmsil
- Eoeundong
- Ŏŭn-dong
- Ŏŭn-dong
- Oŭn-sa
- Ŏusil
- Owŏl-li
- Owŏn-gyo
- Owŏn-jŏsuji
- Oya-gol
- Oyang-gol
- Paduk-kol
- Paeda-ri
- Paeduduk
- Paegam
- Baegil
- Paegi-san
- Baegol
- Baegol
- Baegol
- Pae-gol
- Pae-gol
- Pae-gol
- Pae-gol
- Pae-gol
- Baegolsoryuji
- Paegŏri-gul
- Paegŏri-san
- Paegudam
- Paegul-li
- Paegun-dong
- Paegun-dong
- Paegunil-gyo
- Paegunjŏl
- Paegunjŏng
- Paegun-junghakkyo
- Paegunmyŏn-samuso
- Baegunsa
- Paegun-sa
- Paegun-san
- Paegun-san
- Paegun-san
- Paegunsan-maŭl
- Paegyŏn-am
- Paegyŏn-sa
- Paeha-san
- Paehyang-dong
- Baeil
- Paeilch’i
- Paeil-ch’i
- Pae-jae
- Pae-jae
- Paekcha-ri
- Paekchŏl-li
- Paekchŏn-ch’odŭnghakkyo
- Paekchŏn-gol
- Paekhoji
- Paekkani
- Paekkan-soryuji
- Baekgok
- Paekkyo
- Paekpaemi
- Paekp’yŏng
- Baekseok
- Baekseokbong
- Paekssi-gol
- Paektal-chŏsuji
- Paektal-li
- Paektan-sa
- Paek-tong
- Paek-tong
- Pael-gol
- Baemaru
- Paembat
- Baemgil
- Paem-gogae
- Paem-gol
- Baemgol
- Baemgol
- Paem-gol
- Baenamugol
- Paenamu-gol
- Paenamu-gol
- Paenamugol-san
- Paenamugŏ-ri