This page lists Japan-related articles with romanized titles beginning with the letter O. For names of people, please list by surname (i.e., "TarÃ
 Yamada" should be listed under "Y", not "T"). Please also ignore particles (e.g. "a", "an", "the") when listing articles (i.e., "A City with No People" should be listed under "City").
Oa
Ob
Oc
Od
Oe
Of
Og
- Oga, Akita
- Oga Yashiro
- Ã
Âgaki, Gifu
- Ogaki, Hiroshima
- Ogasa District, Shizuoka
- Ogasa, Shizuoka
- Ogasawara Islands
- Ken Ogata
- Ogata Kenzan
- Ogata KÃ
Ârin
- Ogata, KÃ
Âchi
- Ogata, Ã
Âita
- Ogawa, Kumamoto
- Marumi Ogawa
- Ogi District, Saga
- Ogi, Ã
Âita
- Ogi, Saga
- Ogimi, Okinawa
- Ogori, Fukuoka
- Ogori, Yamaguchi
- Oguchi, Aichi
- Oguni, Kumamoto
- Oguri Mushitaro
Oh
Oi
Oj
Ok
- Kiyoshi Oka
- Okabe, Shizuoka
- Okachimachi Station
- Keisuke Okada
- Okadama Airport
- Okagaki, Fukuoka
- Okakura Kakuzo
- Okamoto Kanoko
- Okamoto Kido
- Okawa, Fukuoka
- Ã
Âkawa, KÃ
Âchi
- Okawachi, HyÃ
Âgo
- Okaya
- Okayama Prefecture
- Okayama, Okayama
- Okazaki, Aichi
- Okazaki Castle
- Okazaki fragment
- Ritsuko Okazaki
- Okegawa, Saitama
- Oki District, Shimane
- Oki Province
- Oki, Fukuoka
- Okimi, Hiroshima
- Okinawa diet
- Okinawa Prefecture
- Okinawan weapons
- Okinawa, Okinawa
- Okinawan language
- Okita SÃ
Âji
- Okonomiyaki
- Oku District, Okayama
- Oku, Okayama
- Ã
Âkubo-ji
- Ã
Âkubo Toshimichi
- Ã
Âkuchi, Kagoshima
- Okuchichibu Mountains
- Okudaira Sadamasa
- Ã
Âkuma Shigenobu
- Okutsu, Okayama
Ol
Om
- Ã
Âmachi, Nagano
- Ã
Âmachi, Saga
- Omaezaki, Shizuoka
- Ã
Âmagari, Akita
- Ã
Âme, Tokyo
- Omogo, Ehime
- Ã
Âmi Province
- Ã
Âmihachiman, Shiga
- Ã
Âmishima, Ehime
- Ã
Âmishima Island, Ehime
- Ã
Âmisoka
- Omiya, Mie
- Ã
Âmiya-ku, Saitama
- Omoikane (Shinto)
- Ã
Âmura, Nagasaki
- Ã
Âmura MasujirÃ
Â
- Omuta, Fukuoka
On
- On Kawara
- Ondo (music)
- Ondo, Hiroshima
- One Piece
- One Year War
- Onejime, Kagoshima
- Onga District, Fukuoka
- Onga, Fukuoka
- Oni (folklore)
- Onigawara
- Onigiri
- Onigokko
- Oniisama e
- Ã
Ânin War
- Ã
Ânishi, Ehime
- Onix
- OnmyÃ
ÂdÃ
Â
- Onna, Okinawa
- Ono, HyÃ
Âgo
- Ono, Fukui
- Ono, Fukushima
- Ono, Gifu
- Ã
Âno, Hiroshima
- Ã
Âno, HokkaidÃ
Â
- Ã
Âno, Iwate
- Ã
Âno, Ã
Âita
- Ã
Âno District, Fukui
- Ã
Âno District, Gifu
- Ã
Âno District, Ã
Âita
- Ono no Komachi
- Ã
Âno River
- Shinji Ono
- Yoko Ono
- Onoda, Yamaguchi
- Hiroo Onoda
- Onoe Saishu
- Onohara, Kagawa
- Ã
ÂnojÃ
Â, Fukuoka
- Onomi, KÃ
Âchi
- Onomichi, Hiroshima
- Onsen
- Onsen District, Ehime
- Onsen, HyÃ
Âgo
Oo
Op
Or
Os
- Osa, Okayama
- Osafune, Okayama
- Osaka Aquarium Kaiyukan
- Osaka Bay
- Osaka Castle
- Osaka Eco Agricultural Products
- Osaka International Airport
- Osaka Line
- Osaka Loop Line
- Osaka Monorail
- Osaka Municipal Subway
- Osaka Prefecture
- Osaka Station
- Osaka, Osaka
- Osaka Tower
- Ã
Âsakasayama, Osaka
- Ã
Âsaki Station
- Ã
Âsaki, Kagoshima
- Ã
Âsakikamijima, Hiroshima
- Osechi
- Mamoru Oshii
- ShunrÃ
 Oshikawa
- Oshikura Manju
- Oshima, Fukuoka
- Oshima, Yamaguchi
- Ã
Âshima District, Kagoshima
- Ã
Âshima District, Yamaguchi
- Nagisa Oshima
- Oshima Subprefecture
- Towa Oshima
- Oshiruko
- Oshizushihako
- Sakae Osugi
- Osuka, Shizuoka
- Osumi Province
- Osumi, Kagoshima
Ot
- Ã
Âta DÃ
Âkan
- Fusae Ota
- Ã
Âta, Gunma
- Ã
Âta, Ã
Âita
- Ã
Âta, Tokyo
- Masahide Ota
- Ã
Âtake, Hiroshima
- Otaku
- Otaku no Video
- Otaru, HokkaidÃ
Â
- Ã
Âtawara, Tochigi
- Oto, Fukuoka
- Oto, Nara
- Oto, Wakayama
- Otokuni District, Kyoto
- Katsuhiro Otomo
- Ã
Âtomo no Yakamochi
- Otomo Yoshihide
- Otoshi buta
- Otowa, Aichi
- Ã
Âtoyo, KÃ
Âchi
- Ã
Âtsu, Shiga
- Otsu District, Yamaguchi
- Ã
Âtsuki, Yamanashi
- Ã
Âtsuki, KÃ
Âchi
Ou
Ow
Ov
Oy
Oz