| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1851  | Ōkuro Shima Oguro-jima,Okura Shima,Okuro Shima,Okuro-shima,da hei dao,Ōguro-jima,Ōkuro Shima,Ōkuro-shima,大黒島 | Japan, Shimane | island | N 35° 34′ 33'' | E 133° 10′ 22'' |
| 1852 | Ōkuro Saki Daikoku-saki,Okuro Saki,Okuro-saki,Okuro-zaki,da hei qi,Ōkuro Saki,Ōkuro-saki,Ōkuro-zaki,大黒崎 | Japan, Shizuoka Atami | point | N 35° 7′ 49'' | E 139° 6′ 32'' |
| 1853 | Ōkura Yama Mikura-yama,Okura Yama,Okura-san,Okura-yama,da cang shan,Ōkura Yama,Ōkura-san,Ōkura-yama,大倉山 | Japan, Tochigi Nasu-shiobara Shi | mountain | N 37° 8′ 51'' | E 139° 54′ 59'' |
| 1854 | Mount Ōkue  Mount Okue,Mount Okueyama,Mount Ōkue,Mount Ōkueyama,Okue,Okue-yama,Okuzure-yama,da beng shan,Ōkue,Ōk... | Japan, Miyazaki Nobeoka Shi | mountain elevation 1643m | N 32° 44′ 14'' | E 131° 30′ 49'' |
| 1855 | Okubi Shima Okubi,Okubi Shima,Okubi Sima,Okubi-jima,Okubi-shima,Okui-jima,wei jiu bi dao,尾久比島 | Japan, Hiroshima | island | N 34° 9′ 10'' | E 132° 46′ 0'' |
| 1856 | Oko Ze Oko Ze,Oko-se,Oko-ze,oko lai,okoze,おこぜ,オコゼ,オコ瀬 | Japan, Kumamoto | island | N 32° 9′ 25'' | E 130° 3′ 5'' |
| 1857 | Okitsunome Jima Oki-tsunome-shima,Okitsunome Jima,Okitsunomoku Shima,Tsunome-shima,chong jinno mu dao,沖津ノ目島 | Japan, Shimane | island | N 36° 14′ 56'' | E 133° 22′ 52'' |
| 1858 | Okino Shima Oki-no Sima,Oki-shima,Okino Shima,Okino-shima,chongno dao,沖ノ島 | Japan, Kagawa | island | N 34° 31′ 10'' | E 134° 9′ 39'' |
| 1859 | Okino Shima Oki-no Sima,Okino Island,Okino Shima,Okino-shima,chongno dao,沖ノ島 | Japan, Shimane | island | N 36° 21′ 15'' | E 133° 16′ 36'' |
| 1860 | Okino-shima Colnet Island,Okino Sima,Okino-shima | Japan, Fukuoka | island | N 34° 14′ 40'' | E 130° 6′ 17'' |
| 1861 | Okino Shima Oki-no Sima,Okimo Shima,Okino Shima,Okino-shima,chong ye dao,沖野島 | Japan, Hiroshima | island | N 34° 9′ 9'' | E 132° 26′ 7'' |
| 1862 | Okino Shima Oki-no Sima,Okino Shima,Okino-shima,Ookin-shima,chongno dao,沖の島 | Japan, Kagoshima | island | N 31° 51′ 52'' | E 129° 59′ 3'' |
| 1863 | Okino Shima Oki-no Sima,Okiha-shima,Okino Shima,Okino-shima,chongno dao,沖ノ島 | Japan, Kagoshima | island | N 31° 44′ 23'' | E 130° 10′ 45'' |
| 1864 | Okino Se Okino Se,Okino-se,Okino-shima,chongno lai,okinose,おきのせ,オキノセ,沖の瀬 | Japan, Kumamoto | rocks | N 32° 10′ 31'' | E 129° 56′ 27'' |
| 1865 | Okinogozen Shima Okino-Gozen Iwa,Okino-gozen-shima,Okinogozen Shima,Okinomisaki-jima,chongno yu qian dao,沖ノ御前島 | Japan, Shimane | island | N 35° 35′ 21'' | E 133° 21′ 3'' |
| 1866 | Okinami Yama Okinami Yama,Okinami-yama,Toyoga Dake,Toyoga-take,chong bo shan,沖波山 | Japan, Ishikawa Hōsu Gun > Anamizu Machi | hill | N 37° 12′ 48'' | E 137° 2′ 10'' |
| 1867 | Oki Kojima Oki Kojima,Oki-Ko Sima,Oki-kotsuma,Okiko-shima,Okinoko jima,chong xiao dao,沖小島 | Japan, Kagoshima | island | N 31° 42′ 1'' | E 130° 42′ 49'' |
| 1868 | Okikamuro-jima Naka-kamuro-shima,Nakakamuro-jima,Oki-Kamuro Sima,Okikamuro-jima,Okikamuro-shima,Okinokamuro | Japan, | island | N 33° 51′ 7'' | E 132° 21′ 48'' |
| 1869 | Gozen Iwa Gozen Iwa,Gozen-iwa,Oki-gozen,Okiomae,Omai-iwa,yu qian yan,御前岩 | Japan, Shizuoka | rock | N 34° 35′ 52'' | E 138° 15′ 36'' |
| 1870 | Ōka Zaki Oka Zaki,Oka-hana,Oka-saki,Oka-zaki,xiang he qi,Ōka Zaki,Ōka-hana,Ōka-saki,Ōka-zaki,相賀崎 | Japan, Saga Karatsu Shi | point | N 33° 30′ 41'' | E 129° 58′ 8'' |
| 1871 | Ōkarōto Yama O-karabitsu-yama,O-karauto-yama,O-karoto-yama,Okaroto Yama,da tang gui shan,Ō-karabitsu-yama,Ō-karau... | Japan, Yamaguchi Shimonoseki Shi | hill | N 33° 59′ 20'' | E 130° 58′ 56'' |
| 1872 | Okami Jima Okami Jima,Okami Sima,Okami-jima,Okami-shima,okami dao,オカミ島 | Japan, Yamagata | island | N 39° 12′ 54'' | E 139° 33′ 2'' |
| 1873 | Ō Jima O Island,O Jima,O Sima,O-jima,O-shima,xiong dao,Ō Jima,雄島 | Japan, Ishikawa | island | N 37° 4′ 14'' | E 136° 59′ 10'' |
| 1874 | Ō-jima Naka Sima,Naka-shima,O-jima,O-shima,Ō-jima,Ō-shima | Japan, Hiroshima | island | N 34° 11′ 35'' | E 132° 51′ 26'' |
| 1875 | Ojika Jima Jika-shima,Ochika-jima,Ojika Jima,Ojika-jima,Ojika-shima,Ozika Sima,xiao zhi he dao,小値賀島 | Japan, Nagasaki | island | N 33° 11′ 53'' | E 129° 3′ 37'' |
| 1876 | Ojika Se Ojiga-se,Ojigase-shima,Ojika Se,Ojika-se,ojika lai,オジカ瀬 | Japan, Nagasaki Sasebo Shi | rock | N 33° 8′ 44'' | E 129° 39′ 1'' |
| 1877 | Mount Oizuru Mount Oizuru,Oitsurshi-yama,Oitsurushi-yama,Oizuru Yama,fu diao shan,負釣山 | Japan, Toyama Shimoniikawa Gun > Asahi Machi | mountain elevation 1841m | N 36° 52′ 15'' | E 137° 36′ 33'' |
| 1878 | Oishino Hana Oishi-zaka,Oishino Hana,Oishino-hana,Oisi Hana,sheng shi bi,生石鼻 | Japan, Hyōgo Sumoto Shi | cape | N 34° 16′ 1'' | E 134° 57′ 5'' |
| 1879 | Oise Bana Oiishi Bana,Oise Bana,Oishi hana,Oishi-bana,Oisi Hana,zhui shi bi,追石鼻 | Japan, Shimane Izumo Shi | point | N 35° 25′ 7'' | E 132° 37′ 23'' |
| 1880 | Oizuruga Take Kyuga-dake,Kyūga-dake,Minouriga-dake,Oiga-dake,Oizuraga-dake,Oizuruga Take,jike yue,笈ヶ岳 | Japan, Toyama Nanto Shi | mountain | N 36° 17′ 57'' | E 136° 47′ 32'' |
| 1881 | Oi Dake Oi Dake,Oi-dake,Oi-take,lao yue,oidake,おいだけ,オイダケ,老嶽 | Japan, Kumamoto Amakusa Shi | mountain | N 32° 28′ 51'' | E 130° 20′ 24'' |
| 1882 | Oibana Zaki Ikibana Saki,Oebana Saki,Oibana Zaki,Oibana-saki,Oyebana Saki,sheng bi qi,生鼻崎 | Japan, Akita Oga Shi | point | N 39° 53′ 58'' | E 139° 53′ 29'' |
| 1883 | Ōbora Yama Obora Yama,Obora-yama,Ohora-yama,da dong shan,ooborayama,Ōbora Yama,Ōbora-yama,Ōhora-yama,おおぼらやま,オオボ... | Japan, Mie Tsu | mountain | N 34° 32′ 4'' | E 136° 13′ 7'' |
| 1884 | Ōhira San Ohira San,Ohira Yama,Ohira-zan,Taihei-zan,da ping shan,Ōhira San,Ōhira-zan,大平山 | Japan, Niigata Sado | hill | N 38° 18′ 21'' | E 138° 30′ 15'' |
| 1885 | Taihei Zan Ohira-yama,Taihei Zan,Taihei-yama,da ping shan,Ōhira-yama,大平山 | Japan, Fukushima Minamiaizu-gun > Minamiaizu Machi | mountain | N 37° 7′ 59'' | E 139° 38′ 6'' |
| 1886 | Ōhira Yama Ohira Yama,Ohira-yama,Taihei-zan,da ping shan,Ōhira Yama,Ōhira-yama,大平山 | Japan, Fukuoka Asakura Shi | mountain | N 33° 25′ 54'' | E 130° 40′ 46'' |
| 1887 | Ōhira Yama Ohira Yama,Ohira-yama,Taihei-zan,da ping shan,oohirayama,Ōhira Yama,Ōhira-yama,おおひらやま,オオヒラヤマ,大平山 | Japan, Kumamoto Kuma-gun > Nishiki Machi | mountain | N 32° 8′ 49'' | E 130° 53′ 15'' |
| 1888 | Ōhibara Yama Ohibara Yama,Ohibara-san,Ohibara-yama,Ohinokibara Yama,da gui yuan shan,Ōhibara Yama,Ōhibara-yama,大桧... | Japan, Yamagata Tsuruoka Shi | mountain | N 38° 24′ 36'' | E 139° 54′ 51'' |
| 1889 | Ōha Jima Oha Jima,Oha Sima,Oha-shima,oha dao,oohajima,Ōha Jima,Ōha Sima,おおはじま,オオハジマ,オーハ島 | Japan, Okinawa | island | N 26° 20′ 25'' | E 126° 50′ 23'' |
| 1890 | Ōgusuku Yama Ogusuku Yama,Ogusuku-take,Ogusuku-yama,da cheng shan,Ōgusuku Yama,Ōgusuku-yama,大城山 | Japan, Kagoshima Ōshima-gun > Amaki | mountain | N 27° 50′ 49'' | E 128° 55′ 23'' |
| 1891 | Mount Ogura Mount Ogura,Ogura San,Ogura-san,Ogura-yama,yu zuo shan,御座山 | Japan, Nagano Minamisaku-gun > Kitaaiki Mura | mountain elevation 2112m | N 36° 2′ 0'' | E 138° 36′ 26'' |
| 1892 | Ōgoya Yama Ogoya Yama,Ogoya-yama,Okoya-san,Okoya-yama,da ji wu shan,Ōgoya Yama,Ōgoya-yama,Ōkoya-san,大己屋山 | Japan, Kochi Tosa-gun > Tosa-chō | mountain | N 33° 48′ 49'' | E 133° 31′ 47'' |
| 1893 | Ogono Ishi Ogon Iwa,Ogono Ishi,Ogono-ishi,Ozon Iwa,yu xing shi,御幸石 | Japan, Kagawa | rock | N 34° 15′ 42'' | E 133° 33′ 20'' |
| 1894 | Ōgigata Yama Ogigata Yama,Ogigata-yama,Senkei-san,Senkei-zan,shan xing shan,Ōgigata Yama,Ōgigata-yama,扇形山 | Japan, Nara Yoshino-gun > Tenkawa-mura | mountain | N 34° 16′ 56'' | E 135° 51′ 10'' |
| 1895 | Ōge Shima Oge Shima,Oge Sima,Oge-shima,Oke-shima,da mao dao,Ōge Shima,Ōge Sima,Ōge-shima,Ōke-shima,大毛島 | Japan, Tokushima | land-tied island | N 34° 12′ 53'' | E 134° 37′ 35'' |
| 1896 | Ōge Jima Oge,Oge Jima,Oge Sima,Oge-jima,Oge-shima,da xia dao,oogeshima,Ōge Jima,Ōge-jima,Ōge-shima,おおげしま,大下島 | Japan, Ehime Imabari | island | N 34° 11′ 26'' | E 132° 55′ 33'' |
| 1897 | Ogawa Shima Ogawa Shima,Ogawa Sima,Ogawa-jima,Ogawa-shima,Ogawara-shima,xiao chuan dao,小川島 | Japan, Saga | island | N 33° 35′ 55'' | E 129° 53′ 53'' |
| 1898 | Ogawa Dake Ogawa Dake,Ogawa-dake,ogawadake,xiao chuan yue,おがわだけ,オガワダケ,小川岳 | Japan, Miyazaki Nishiusuki-gun > Gokase Chō | mountain | N 32° 36′ 19'' | E 131° 7′ 14'' |
| 1899 | Oga Shima Oga Shima,Oga-shima,Uga Shima,ogashima,weiga dao,おがしま,オガシマ,尾が島 | Japan, Kanagawa | island | N 35° 14′ 52'' | E 139° 34′ 36'' |
| 1900 | Ōgari Zan Ogari Zan,Ogari-yama,Okari-yama,da shou shan,Ōgari Zan,Ōgari-yama,Ōkari-yama,大狩山 | Japan, Hiroshima Aki-takata Shi | mountain | N 34° 44′ 41'' | E 132° 38′ 43'' |
by