| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Osa-gol | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.4986111 | 129.4122222 | 1850 | 13567 |
| Osa-kol | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.4986111 | 129.4122222 | 1850 | 13567 |
| Osa-ri | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.3269444 | 125.8430556 | 200 | 25373 |
| Osal-li | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6025 | 125.2933333 | 72 | 22572 |
| Osal-li | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7672222 | 125.3447222 | 36 | 110838 |
| Osal-li | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7913889 | 125.4908333 | 95 | 112580 |
| Osal-li | city | P'yongyang-si | Korea, Dem. Peoples Rep. of (North) | 39.2036111 | 125.7222222 | 101 | 137632 |
| Osal-li | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9563889 | 126.2488889 | 9 | 30734 |
| Osal-li | city | Kaesong-si | Korea, Dem. Peoples Rep. of (North) | 37.93 | 126.5480556 | 193 | 34199 |
| Osal-li | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 39.4075 | 127.3838889 | 0 | 12590 |
| Osal-li | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4691667 | 128.2880556 | 3457 | 5122 |
| Osamp'o | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 40.87 | 128.9308333 | 3763 | 15472 |
| Osan | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.0425 | 125.8058333 | 226 | 30523 |
| Osan-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.4833333 | 125.4 | 114 | 30507 |
| Osan-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.0397222 | 126.1919444 | 154 | 30699 |
| Osan-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.6536111 | 129.0808333 | 1184 | 15311 |
| Osan-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6025 | 125.2933333 | 72 | 22572 |
| Osan-ni | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7672222 | 125.3447222 | 36 | 110838 |
| Osan-ni | city | | Korea, Dem. Peoples Rep. of (North) | 37.9 | 125.55 | 82 | 29835 |
| Osan-ni | city | P'yongyang-si | Korea, Dem. Peoples Rep. of (North) | 39.2036111 | 125.7222222 | 101 | 137632 |
| Osan-ni | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9563889 | 126.2488889 | 9 | 30734 |
| Osan-ni | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 38.975 | 127.4066667 | 374 | 15075 |
| Osan-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4691667 | 128.2880556 | 3457 | 5122 |
| Osang-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2261111 | 124.8425 | 836 | 22834 |
| Osang-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2808333 | 125.0933333 | 1085 | 22820 |
| Osang-dong | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 40.7061111 | 125.5930556 | 948 | 8417 |
| Osang-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.7133333 | 129.5413889 | 360 | 13517 |
| Osang-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.4277778 | 129.6097222 | 108 | 13343 |
| Osang-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.2963889 | 129.7466667 | 3 | 12003 |
| Osang-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.2261111 | 124.8425 | 836 | 22834 |
| Osang-ni | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 40.7061111 | 125.5930556 | 948 | 8417 |
| Osang-ni | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 40.6305556 | 125.7794444 | 1817 | 8422 |
| Osang-ni | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.5669444 | 125.9516667 | 288 | 31025 |
| Osang-ni | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.7152778 | 127.3633333 | 6 | 18519 |
| Osang-ni | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.7133333 | 129.5413889 | 360 | 13517 |
| Osang-ni | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.6936111 | 129.6180556 | 144 | 13522 |
| Osanha-ri | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7625 | 125.3527778 | 16 | 110838 |
| Osanjung-ni | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7663889 | 125.3608333 | 13 | 110838 |
| Osansang-ni | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7725 | 125.3633333 | 9 | 110838 |
| Osarang-dong | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 39.08333 | 127.0269444 | 1627 | 19043 |
| Oshin | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9347222 | 125.3619444 | 39 | 29598 |
| Osich'on-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4258333 | 128.2658333 | 2828 | 5377 |
| Osich'ŏn-ni | city | Yanggang-do | Korea, Dem. Peoples Rep. of (North) | 41.4258333 | 128.2658333 | 2828 | 5377 |
| Osil-li | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7997222 | 125.4544444 | 32 | 127048 |
| Osil-li | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7913889 | 125.4908333 | 95 | 112580 |
| Osin | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9347222 | 125.3619444 | 39 | 29598 |
| Osin-dong | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.5452778 | 125.1744444 | 341 | 20502 |
| Osin-dong | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 40.6547222 | 125.8011111 | 1217 | 8422 |
| Osin-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 40.5452778 | 125.1744444 | 341 | 20502 |
| Osin-ni | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7997222 | 125.4544444 | 32 | 127048 |
| Osin-ni | city | Namp'o-si | Korea, Dem. Peoples Rep. of (North) | 38.7913889 | 125.4908333 | 95 | 112580 |
| Oso-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.5538889 | 126.5463889 | 620 | 23903 |
| Oso-ri | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.7472222 | 124.9066667 | 16 | 20029 |
| Oson-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9319444 | 126.3225 | 62 | 30512 |
| Osong | city | Najin Sonbong-si | Korea, Dem. Peoples Rep. of (North) | 42.4833333 | 130.4166667 | 436 | 13357 |
| Osong-dong | city | | Korea, Dem. Peoples Rep. of (North) | 39.9833333 | 124.45 | 32 | 22800 |
| Osong-dong | city | | Korea, Dem. Peoples Rep. of (North) | 37.8833333 | 125.3333333 | 62 | 25088 |
| Osong-dong | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.19 | 125.3922222 | 13 | 28745 |
| Osong-dong | city | P'yongyang-si | Korea, Dem. Peoples Rep. of (North) | 38.81 | 125.9133333 | 275 | 104476 |
| Osong-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 38.0925 | 126.2908333 | 301 | 30664 |
| Osong-gol | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.19 | 125.3922222 | 13 | 28745 |
| Osong-gol | city | P'yongyang-si | Korea, Dem. Peoples Rep. of (North) | 38.81 | 125.9133333 | 275 | 104476 |
| Osong-kol | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.19 | 125.3922222 | 13 | 28745 |
| Osong-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6697222 | 125.3083333 | 108 | 22948 |
| Osong-ni | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.4841667 | 125.5036111 | 39 | 31060 |
| Osong-ni | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9369444 | 126.1458333 | 85 | 30734 |
| Osongjong | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.48 | 125.8319444 | 295 | 31060 |
| Osongjŏng | city | P'yongan-namdo | Korea, Dem. Peoples Rep. of (North) | 39.48 | 125.8319444 | 295 | 31060 |
| Osongp'yong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.5927778 | 129.6041667 | 29 | 13370 |
| Osongp'yŏng | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.5927778 | 129.6041667 | 29 | 13370 |
| Osonyoul | city | P'yongyang-si | Korea, Dem. Peoples Rep. of (North) | 38.9966667 | 126.0544444 | 134 | 140341 |
| Osu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4772222 | 125.8113889 | 62 | 23931 |
| Osu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2986111 | 125.9311111 | 269 | 23989 |
| Osu-dong | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.2972222 | 125.9391667 | 301 | 23989 |
| Osu-dong | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 38.2794444 | 126.9136111 | 515 | 18615 |
| Osu-nodongjagu | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4772222 | 125.8113889 | 62 | 23931 |
| Osu-ri | city | | Korea, Dem. Peoples Rep. of (North) | 39.0833333 | 125.3166667 | 13 | 28573 |
| Osu-ri | city | Hwanghae-bukto | Korea, Dem. Peoples Rep. of (North) | 38.4772222 | 125.8113889 | 62 | 23931 |
| Osu-ri | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 41.7002778 | 127.0102778 | 2601 | 5802 |
| Osudok | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 41.7502778 | 126.9505556 | 2168 | 7445 |
| Osudŏk | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 41.7502778 | 126.9505556 | 2168 | 7445 |
| Osŏn-dong | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9319444 | 126.3225 | 62 | 30512 |
| Osŏng-ni | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.6697222 | 125.3083333 | 108 | 22948 |
| Osŏng-ni | city | Hwanghae-namdo | Korea, Dem. Peoples Rep. of (North) | 37.9369444 | 126.1458333 | 85 | 30734 |