| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ok-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 35.9022222 | 128.0386111 | 1443 | 17758 |
| Ok-dong | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.5022222 | 129.2902778 | 32 | 41894 |
| Ok-kol | city | Kyongsang-bukto | Korea, Republic of (South) | 36.1688889 | 128.4175 | 160 | 17662 |
| Ok-kol | city | Taegu-gwangyoksi | Korea, Republic of (South) | 35.9072222 | 128.6866667 | 334 | 618339 |
| Ok-tong | city | Cholla-namdo | Korea, Republic of (South) | 35 | 126.4166667 | 32 | 17302 |
| Ok-tong | city | | Korea, Republic of (South) | 35.0833333 | 126.5833333 | 52 | 21288 |
| Ok-tong | city | | Korea, Republic of (South) | 34.9166667 | 127.9166667 | 101 | 14977 |
| Ok-tong | city | Kyongsang-bukto | Korea, Republic of (South) | 35.9022222 | 128.0386111 | 1443 | 17758 |
| Ok-tong | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8333333 | 128.2 | 0 | 8240 |
| Ok-tong | city | Kyongsang-namdo | Korea, Republic of (South) | 34.6166667 | 128.2833333 | 0 | 4377 |
| Ok-tong | city | Kyongsang-namdo | Korea, Republic of (South) | 35.1422222 | 128.5427778 | 255 | 32693 |
| Ok-tong | city | | Korea, Republic of (South) | 34.8666667 | 128.55 | 1069 | 30381 |
| Okan-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.24 | 126.6119444 | 29 | 5169 |
| Okch'ae | city | | Korea, Republic of (South) | 34.9666667 | 127.2 | 557 | 21309 |
| Okch'i | city | Cholla-namdo | Korea, Republic of (South) | 34.65 | 126.7333333 | 68 | 21110 |
| Okch'ol-li | city | Kyonggi-do | Korea, Republic of (South) | 37.5197222 | 127.4644444 | 406 | 90228 |
| Okch'ol-li | city | Kyongsang-namdo | Korea, Republic of (South) | 35.5172222 | 128.5505556 | 734 | 40112 |
| Okch'on | city | Cholla-namdo | Korea, Republic of (South) | 34.9002778 | 127.0663889 | 931 | 21333 |
| Okch'on | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3008333 | 127.5686111 | 295 | 22396 |
| Okch'on-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.2538889 | 127.3525 | 377 | 90531 |
| Okch'on-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.5197222 | 127.4644444 | 406 | 90228 |
| Okch'ont'o | city | Kyongsang-bukto | Korea, Republic of (South) | 36.9130556 | 128.9402778 | 1377 | 17501 |
| Okch'ŏl-li | city | Kyonggi-do | Korea, Republic of (South) | 37.5197222 | 127.4644444 | 406 | 90228 |
| Okch'ŏl-li | city | Kyongsang-namdo | Korea, Republic of (South) | 35.5172222 | 128.5505556 | 734 | 40112 |
| Okch'ŏn | city | Cholla-namdo | Korea, Republic of (South) | 34.9002778 | 127.0663889 | 931 | 21333 |
| Okch'ŏn | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3008333 | 127.5686111 | 295 | 22396 |
| Okch'ŏn-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.2538889 | 127.3525 | 377 | 90531 |
| Okch'ŏn-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.5197222 | 127.4644444 | 406 | 90228 |
| Okch'ŏnt'ŏ | city | Kyongsang-bukto | Korea, Republic of (South) | 36.9130556 | 128.9402778 | 1377 | 17501 |
| Okcha | city | | Korea, Republic of (South) | 34.9666667 | 127.2 | 557 | 21309 |
| Okchol-li | city | Cholla-bukto | Korea, Republic of (South) | 35.5861111 | 127.2305556 | 1154 | 28271 |
| Okchon-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 37.1666667 | 128.1166667 | 1309 | 13856 |
| Okchong | city | Cholla-namdo | Korea, Republic of (South) | 34.9666667 | 126.6 | 104 | 21309 |
| Okchong-ni | city | Cholla-namdo | Korea, Republic of (South) | 34.9180556 | 126.5263889 | 13 | 19871 |
| Okchong-ni | city | Cholla-bukto | Korea, Republic of (South) | 35.5508333 | 127.1091667 | 656 | 28285 |
| Okchong-ni | city | Kyonggi-do | Korea, Republic of (South) | 36.9758333 | 127.3641667 | 423 | 87797 |
| Okchuk-tong | city | Inch'on-gwangyoksi | Korea, Republic of (South) | 37.8425 | 124.7075 | 180 | 3694 |
| Okchŏl-li | city | Cholla-bukto | Korea, Republic of (South) | 35.5861111 | 127.2305556 | 1154 | 28271 |
| Okchŏn-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 37.1666667 | 128.1166667 | 1309 | 13856 |
| Okchŏng | city | Cholla-namdo | Korea, Republic of (South) | 34.9666667 | 126.6 | 104 | 21309 |
| Okchŏng-ni | city | Cholla-namdo | Korea, Republic of (South) | 34.9180556 | 126.5263889 | 13 | 19871 |
| Okchŏng-ni | city | Cholla-bukto | Korea, Republic of (South) | 35.5508333 | 127.1091667 | 656 | 28285 |
| Okchŏng-ni | city | Kyonggi-do | Korea, Republic of (South) | 36.9758333 | 127.3641667 | 423 | 87797 |
| Okho | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.6 | 127.6833333 | 688 | 22195 |
| Okho-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.8666667 | 126.7166667 | 91 | 26656 |
| Okhu | city | Cholla-bukto | Korea, Republic of (South) | 35.9225 | 126.685 | 36 | 22698 |
| Okhyon-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.9333333 | 126.5666667 | 114 | 21986 |
| Okhyŏn-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.9333333 | 126.5666667 | 114 | 21986 |
| Okkae-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.4 | 126.6333333 | 170 | 26810 |
| Okkae-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.4833333 | 126.7333333 | 164 | 26782 |
| Okkak | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3166667 | 127.55 | 301 | 22396 |
| Okkang | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3166667 | 127.55 | 301 | 22396 |
| Okkang-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3166667 | 127.55 | 301 | 22396 |
| Okke-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.7 | 126.65 | 167 | 26712 |
| Okkil-tong | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.2166667 | 127.7 | 367 | 22303 |
| Okko-li | city | Cholla-bukto | Korea, Republic of (South) | 35.945 | 127.4877778 | 688 | 28027 |
| Okkol-li | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.1666667 | 126.8333333 | 334 | 26885 |
| Okkol-li | city | Cholla-bukto | Korea, Republic of (South) | 36.0311111 | 126.8341667 | 52 | 28034 |
| Okkol-li | city | Cholla-bukto | Korea, Republic of (South) | 35.945 | 127.4877778 | 688 | 28027 |
| Okkon-ni | city | Cholla-bukto | Korea, Republic of (South) | 36.0311111 | 126.8341667 | 52 | 28034 |
| Okkon-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.3166667 | 127.55 | 301 | 22396 |
| Okkong-ni | city | Cholla-namdo | Korea, Republic of (South) | 34.9666667 | 126.6586111 | 36 | 21309 |
| Okkong-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.1666667 | 126.8333333 | 334 | 26885 |
| Okku | city | Cholla-bukto | Korea, Republic of (South) | 35.9225 | 126.685 | 36 | 22698 |
| Okkum-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.5333333 | 129.3666667 | 311 | 17581 |
| Okkum-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.7833333 | 126.8166667 | 3 | 26440 |
| Okkwa | city | Cholla-namdo | Korea, Republic of (South) | 35.2766667 | 127.1358333 | 272 | 23325 |
| Okkwa-ri | city | Cholla-namdo | Korea, Republic of (South) | 35.2766667 | 127.1358333 | 272 | 23325 |
| Okkye | city | Inch'on-gwangyoksi | Korea, Republic of (South) | 37.7608333 | 126.5086111 | 9 | 50445 |
| Okkye | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.4 | 126.6333333 | 170 | 26810 |
| Okkye | city | Cholla-namdo | Korea, Republic of (South) | 34.9833333 | 126.9 | 314 | 21309 |
| Okkye | city | Kyongsang-bukto | Korea, Republic of (South) | 35.9944444 | 128.1319444 | 803 | 17708 |
| Okkye | city | Kyongsang-bukto | Korea, Republic of (South) | 35.7666667 | 128.1838889 | 980 | 23134 |
| Okkye | city | Taegu-gwangyoksi | Korea, Republic of (South) | 35.7930556 | 128.4577778 | 223 | 40673 |
| Okkye | city | Kangwon-do | Korea, Republic of (South) | 37.6 | 129.0333333 | 223 | 8298 |
| Okkye-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 35.7666667 | 128.1838889 | 980 | 23134 |
| Okkye-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.4 | 126.6333333 | 170 | 26810 |
| Okkye-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.7 | 126.65 | 167 | 26712 |
| Okkye-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.4833333 | 126.7333333 | 164 | 26782 |
| Okkye-ri | city | Kyonggi-do | Korea, Republic of (South) | 38.1197222 | 127.0455556 | 170 | 74876 |
| Okkye-ri | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.6333333 | 127.2833333 | 68 | 23831 |
| Okkye-ri | city | Kyongsang-bukto | Korea, Republic of (South) | 35.7666667 | 128.1838889 | 980 | 23134 |
| Okkyech'on | city | Cholla-namdo | Korea, Republic of (South) | 34.9833333 | 126.9 | 314 | 21309 |
| Okkyo-dong | city | Kyonggi-do | Korea, Republic of (South) | 37.3333333 | 127.55 | 180 | 90480 |
| Okkŏ-li | city | Cholla-bukto | Korea, Republic of (South) | 35.945 | 127.4877778 | 688 | 28027 |
| Okkŏl-li | city | Cholla-bukto | Korea, Republic of (South) | 35.945 | 127.4877778 | 688 | 28027 |
| Okkŭm-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.5333333 | 129.3666667 | 311 | 17581 |
| Okkŭm-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.7833333 | 126.8166667 | 3 | 26440 |
| Okoson | city | Kangwon-do | Korea, Republic of (South) | 37.9 | 128.05 | 1187 | 9294 |
| Okp'o | city | | Korea, Republic of (South) | 34.7 | 128.6166667 | 0 | 8057 |
| Okp'o | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8875 | 128.7 | 0 | 33165 |
| Okp'o-dong | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8875 | 128.7 | 0 | 33165 |
| Okp'o-ri | city | Cholla-bukto | Korea, Republic of (South) | 35.8330556 | 126.7461111 | 3 | 16174 |
| Okp'o-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.0405556 | 126.7819444 | 3 | 27568 |
| Okp'o-ri | city | Kyongsang-namdo | Korea, Republic of (South) | 34.8875 | 128.7 | 0 | 33165 |
| Okpang-ni | city | Kyongsang-namdo | Korea, Republic of (South) | 35.1741667 | 128.3744444 | 849 | 42203 |
| Okpong-ni | city | Cholla-bukto | Korea, Republic of (South) | 35.9297222 | 126.6441667 | 26 | 18343 |
| Okpul-li | city | Kyongsang-namdo | Korea, Republic of (South) | 35.6166667 | 127.9666667 | 1184 | 41984 |
| Oksal-li | city | Kyongsang-namdo | Korea, Republic of (South) | 35.6594444 | 127.6741667 | 1548 | 36973 |
| Oksal-li | city | Kyongsang-bukto | Korea, Republic of (South) | 35.6183333 | 128.6383333 | 708 | 19170 |
| Oksal-li | city | Kyongsang-namdo | Korea, Republic of (South) | 35.5686111 | 128.7375 | 659 | 24908 |
| Oksan | city | | Korea, Republic of (South) | 35.9333333 | 126.75 | 42 | 24965 |
| Oksan | city | Kyongsang-bukto | Korea, Republic of (South) | 36.2822222 | 128.0963889 | 383 | 17644 |
| Oksan | city | Kyongsang-bukto | Korea, Republic of (South) | 36.1086111 | 128.1902778 | 265 | 17680 |
| Oksan | city | Kyongsang-bukto | Korea, Republic of (South) | 36.9833333 | 129.2333333 | 1925 | 9750 |
| Oksan-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.15 | 128.0166667 | 597 | 18637 |
| Oksan-dong | city | Kangwon-do | Korea, Republic of (South) | 37.9666667 | 128.05 | 1141 | 9283 |
| Oksan-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.2822222 | 128.0963889 | 383 | 17644 |
| Oksan-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 35.6183333 | 128.6383333 | 708 | 19170 |
| Oksan-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.0166667 | 129.1666667 | 436 | 17700 |
| Oksan-ni | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.0666667 | 126.6666667 | 101 | 23417 |
| Oksan-ni | city | | Korea, Republic of (South) | 35.9333333 | 126.75 | 42 | 24965 |
| Oksan-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.7833333 | 127.45 | 357 | 22148 |
| Oksan-ni | city | | Korea, Republic of (South) | 34.8666667 | 128.5666667 | 141 | 30381 |
| Oksan-ni | city | Kyongsang-bukto | Korea, Republic of (South) | 35.9833333 | 129.1666667 | 331 | 17708 |
| Oksan-ni | city | Kyongsang-bukto | Korea, Republic of (South) | 36.0166667 | 129.1666667 | 436 | 17700 |
| Oksan-sowon | city | Kyongsang-bukto | Korea, Republic of (South) | 36.0166667 | 129.1666667 | 436 | 17700 |
| Oksan-sŏwŏn | city | Kyongsang-bukto | Korea, Republic of (South) | 36.0166667 | 129.1666667 | 436 | 17700 |
| Oksanp'o | city | Kangwon-do | Korea, Republic of (South) | 37.9286111 | 127.7247222 | 252 | 9289 |
| Oksil-li | city | Cholla-namdo | Korea, Republic of (South) | 35.1708333 | 126.37 | 0 | 11178 |
| Oksil-li | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.1666667 | 126.8333333 | 334 | 26885 |
| Oksol-li | city | Cholla-namdo | Korea, Republic of (South) | 35.1708333 | 126.37 | 0 | 11178 |
| Oksom | city | Kyongsang-namdo | Korea, Republic of (South) | 34.6166667 | 128.2833333 | 0 | 4377 |
| Oksong | city | Cholla-bukto | Korea, Republic of (South) | 35.9608333 | 126.6313889 | 6 | 13872 |
| Oksong-ni | city | | Korea, Republic of (South) | 35.7833333 | 127 | 85 | 28210 |
| Oksong-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.7797222 | 127.4430556 | 301 | 22148 |
| Oksu-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.85 | 128.2833333 | 1145 | 21622 |
| Oksuam | city | Kyongsang-bukto | Korea, Republic of (South) | 36.85 | 128.2833333 | 1145 | 21622 |
| Oksul-li | city | | Korea, Republic of (South) | 35.1666667 | 126.3666667 | 0 | 11178 |
| Oksul-li | city | Cholla-namdo | Korea, Republic of (South) | 35.1708333 | 126.37 | 0 | 11178 |
| Oksŏl-li | city | Cholla-namdo | Korea, Republic of (South) | 35.1708333 | 126.37 | 0 | 11178 |
| Oksŏm | city | Kyongsang-namdo | Korea, Republic of (South) | 34.6166667 | 128.2833333 | 0 | 4377 |
| Oksŏng | city | Cholla-bukto | Korea, Republic of (South) | 35.9608333 | 126.6313889 | 6 | 13872 |
| Oksŏng-ni | city | | Korea, Republic of (South) | 35.7833333 | 127 | 85 | 28210 |
| Oksŏng-ni | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.7797222 | 127.4430556 | 301 | 22148 |
| Oksŭl-li | city | | Korea, Republic of (South) | 35.1666667 | 126.3666667 | 0 | 11178 |
| Oksŭl-li | city | Cholla-namdo | Korea, Republic of (South) | 35.1708333 | 126.37 | 0 | 11178 |
| Okt'aeng-ni | city | Cholla-bukto | Korea, Republic of (South) | 35.3925 | 127.2530556 | 580 | 28341 |
| Oktae | city | Cholla-namdo | Korea, Republic of (South) | 34.4333333 | 126.3 | 42 | 16259 |
| Oktae-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.4333333 | 126.3 | 42 | 16259 |
| Oktae-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.7166667 | 126.5166667 | 22 | 24396 |
| Okto | city | Cholla-namdo | Korea, Republic of (South) | 34.6794444 | 126.07 | 26 | 2484 |
| Okto-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.35 | 126.0166667 | 65 | 2638 |
| Okto-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.6794444 | 126.07 | 26 | 2484 |
| Oktol-mal | city | Kyonggi-do | Korea, Republic of (South) | 37.8141667 | 126.7719444 | 147 | 89874 |
| Oktong | city | Cholla-namdo | Korea, Republic of (South) | 34.5777778 | 126.3775 | 29 | 11759 |
| Oktong | city | Kwangju-gwangyoksi | Korea, Republic of (South) | 35.1516667 | 126.7280556 | 170 | 21267 |
| Oktong | city | Kangwon-do | Korea, Republic of (South) | 37.1230556 | 128.5713889 | 1190 | 10019 |
| Oktong-ni | city | Cholla-namdo | Korea, Republic of (South) | 34.5777778 | 126.3775 | 29 | 11759 |
| Oktong-ni | city | Kwangju-gwangyoksi | Korea, Republic of (South) | 35.1516667 | 126.7280556 | 170 | 21267 |
| Oktong-ni | city | Kangwon-do | Korea, Republic of (South) | 37.1230556 | 128.5713889 | 1190 | 10019 |
| Okusu | city | Ch'ungch'ong-bukto | Korea, Republic of (South) | 36.8833333 | 127.3666667 | 488 | 48313 |
| Okusuam | city | Kyongsang-bukto | Korea, Republic of (South) | 36.85 | 128.2833333 | 1145 | 21622 |
| Okōson | city | Kangwon-do | Korea, Republic of (South) | 37.9 | 128.05 | 1187 | 9294 |