| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
2401  | Taban Hayrhan Uula Gora Tabun khayrkhan ula,Taban Hayrhan Uula,Tavan Hayrhan Uul | Mongolia, Hovd | mountain | N 47° 30′ 0'' | E 93° 35′ 0'' |
2402  | Süüji Nuur | Mongolia, Uvs Province | lake | N 49° 19′ 0'' | E 92° 6′ 0'' |
| 2403 | Sutay Uul Suday,Sutai Uul,Sutay Uul,Sutaï Uul | Mongolia, | mountains | N 46° 35′ 0'' | E 93° 38′ 0'' |
| 2404 | Suok Nuur | Mongolia, Bayan-Ölgii Province | lake | N 48° 58′ 0'' | E 88° 32′ 0'' |
2405  | Sundalta Bayshing Sundalta Bayshin,Sundalta Bayshing,Sundultu Bayshing | Mongolia, Govi-Altai Province | populated place | N 46° 11′ 0'' | E 95° 8′ 0'' |
| 2406 | Sümeteyn Tsatsal Uula Gora Sumetuin tsatsal ula,Mount Sumetuyn tsatsal ula,Sumeteyn Tsatsal Uula,Sümeteyn Tsatsal Uula | Mongolia, Bayanhongor | mountain | N 46° 57′ 0'' | E 99° 36′ 0'' |
| 2407 | Sümeiin Hiid Sumeiin Hiid,Sumein khid,Sumeyn Khid,Sümeiin Hiid | Mongolia, Bayanhongor | populated place | N 45° 10′ 0'' | E 98° 59′ 0'' |
| 2408 | Sümber Suember,Sumbehr,Sumber,Sümber,Сумбэр | Mongolia, Khövsgöl Province | populated place | N 50° 9′ 29'' | E 99° 30′ 58'' |
| 2409 | Sogoogiyn Gol Sogoo Giin Gol,Sogoo Giïn Gol,Sogoogiyn Gol,Sok Gol,Soog Gol,Souk,Suogin Gol,Suoguin-Gol,Suok,Sök Go... | Mongolia, Bayan-Ölgii Province | stream | N 49° 1′ 0'' | E 89° 27′ 0'' |
| 2410 | Khrebet Saylyugem  Khrebet Sailyugem,Khrebet Sailyugemski,Khrebet Saylyugem,Khrebet Saylyugemiin-Nuru,Khrebet Saylyugem... | MN,RU | mountains | N 49° 30′ 0'' | E 89° 0′ 0'' |
| 2411 | Shuurgat Uul Shu-erh-ka-t'e-wu-la,Shu-erh-ka-t’e-wu-la,Shuurgat Uul | Mongolia, Hovd | mountain | N 45° 1′ 0'' | E 92° 20′ 0'' |
| 2412 | Shiree Tsagaan Hayrhan Suma,Tsagaan hayrhan sumu,Tsagaanhayrhan,Tsagaankhairkhan,Tsagaankhaïrkhan,Tsagan Ha... | Mongolia, Dzabkhan | seat of a second-order administrative division | N 47° 29′ 49'' | E 96° 48′ 11'' |
| 2413 | Shine Say Uul Sha-nei-sai-i-wu-la,Shine Say Uul | Mongolia, Bayan-Ölgii Province | mountain | N 48° 2′ 0'' | E 89° 1′ 0'' |
| 2414 | Shiliin Uula Gora Shiliin ula,Shiliin Uul,Shiliin Uula | Mongolia, Bayanhongor | mountain | N 43° 34′ 0'' | E 99° 5′ 0'' |
| 2415 | Shibeeteyn Ulaan Uula Gora Shivetiin ulan ula,Shibeeteyn Ulaan Uul,Shibeeteyn Ulaan Uula | Mongolia, Govi-Altai Province | mountain | N 44° 28′ 0'' | E 95° 48′ 0'' |
| 2416 | Shatsagay Nuur | Mongolia, Uvs Province | lake | N 49° 13′ 0'' | E 91° 16′ 0'' |
| 2417 | Shar Us Gol Reka Shary-usu,Sha-lei-wu-su Ho,Shar Us Gol,Shara Usa Gol,Shara Ussu,Shara Usu Gol,Shari Usu,Shiri-u... | Mongolia, | stream | N 47° 8′ 0'' | E 97° 38′ 0'' |
| 2418 | Shar Nuur | Mongolia, Bayan-Ölgii Province | lake | N 48° 46′ 0'' | E 89° 51′ 0'' |
| 2419 | Shariljit Uul Sha-jih-le-chi-t'e-wu-la,Sha-jih-le-chi-t’e-wu-la,Shariljit Uul | Mongolia, Hovd | mountain | N 46° 36′ 0'' | E 91° 3′ 0'' |
| 2420 | Shargïn Gol Reka Sharga,Reka Sherga,Shargaiin Gol,Shargain gol,Shargin Gol,Shargyn Gol,Shargïn Gol,Sheruga Ho | Mongolia, Khövsgöl Province | stream | N 51° 21′ 0'' | E 99° 25′ 0'' |
| 2421 | Sharga Sharga | Mongolia, Govi-Altai Province | seat of a second-order administrative division | N 46° 15′ 0'' | E 95° 16′ 0'' |
| 2422 | Shara Teeg Uula Gora Shara Teg Ula,Shara Teeg Uula | Mongolia, Govi-Altai Province | mountain | N 44° 7′ 0'' | E 95° 51′ 0'' |
| 2423 | Shara Belchiriin Bayshing Shara Belchiriin Bayshin,Shara Belchiriin Bayshing,Shara Bilchiriin Bayshing | Mongolia, Govi-Altai Province | populated place | N 45° 36′ 0'' | E 95° 16′ 0'' |
| 2424 | Serh Uul Serh Uul,Serkh Uul | Mongolia, Govi-Altai Province | mountains | N 46° 0′ 0'' | E 97° 15′ 0'' |
| 2425 | Serhe Uula Gora Serkhe ula,Serhe Uul,Serhe Uula | Mongolia, Khövsgöl Province | mountain | N 50° 25′ 0'' | E 99° 26′ 0'' |
| 2426 | Sarig Uula Gora Sarik ula,Sarig Uula,Sarik Uul | Mongolia, Ömnögovĭ | mountain | N 43° 14′ 0'' | E 99° 50′ 0'' |
| 2427 | Saptïn Nuur | Mongolia, Bayan-Ölgii Province | lake | N 48° 46′ 0'' | E 88° 36′ 0'' |
| 2428 | Santayn Hüryee Santayn Huryee,Santayn Hüryee,Santuin khure,Santuyn Khure | Mongolia, Dzabkhan | populated place | N 47° 1′ 0'' | E 97° 1′ 0'' |
| 2429 | Sangiyn Dalay Erdene,Erdeni,Erdeni Somon,Erdeni Suma,Erdeni Sume,Erdeni sumu,Sangiyn Dalay | Mongolia, Govi-Altai Province | seat of a second-order administrative division | N 45° 8′ 0'' | E 97° 45′ 0'' |
| 2430 | Sagil Gol Bodkhon,Bodohon,Reka Saklya,Sagil Gol,Sagli Gol,Saglis River,Saglya,Saklia River | Mongolia, Uvs Province | stream | N 50° 16′ 0'' | E 92° 21′ 0'' |
| 2431 | Oygor Oigor,Oygor,Oïgor,Uygar | Mongolia, Bayan-Ölgii Province | populated place | N 49° 10′ 0'' | E 89° 17′ 0'' |
| 2432 | Oygon Oygon,Tudehvtehj,Tudentei,Tudevtey,Tüdenteï,Tüdevtey,Тудэвтэй | Mongolia, Dzabkhan | seat of a second-order administrative division | N 48° 59′ 8'' | E 96° 32′ 36'' |
| 2433 | Onkatu Nuur | Mongolia, Bayan-Ölgii Province | lake | N 48° 41′ 0'' | E 88° 35′ 0'' |
| 2434 | Ongon Ulaan Uul Gora Ongon ulan ula,Ongon Ulaan Uul,Ongon Ulaan Uula | Mongolia, | mountain | N 43° 28′ 34'' | E 99° 18′ 45'' |
| 2435 | Ongiyn Tal Ongiyn Tal,Weng-ken Ts'ao-yuan,Weng-ken Ts’ao-yüan | Mongolia, Hovd | plain(s) | N 46° 20′ 0'' | E 90° 57′ 0'' |
2436  | Öndör Uhaa Davaa | Mongolia, Khövsgöl Province | area | N 49° 49′ 0'' | E 99° 37′ 0'' |
| 2437 | Öndör Höhö Uula Gora Undur khukhe ula,Ondor Hoh Uul,Ondor Hoho Uula,Öndör Höh Uul,Öndör Höhö Uula | Mongolia, Khövsgöl Province | mountain | N 51° 41′ 0'' | E 99° 43′ 0'' |
| 2438 | Öndör Gora Undur,Ondor,Ondor Uul,Öndör,Öndör Uul | Mongolia, Govi-Altai Province | mountain | N 43° 8′ 0'' | E 97° 42′ 0'' |
| 2439 | Ömnö Hayrhan Uul Omno Hayrhan Uul,Omno Khairkhan Uul,Omnohayrhan,Ömnö Hayrhan Uul,Ömnö Khaïrkhan Uul,Ömnöhayrhan | Mongolia, Hovd | mountain | N 47° 16′ 0'' | E 93° 5′ 0'' |
| 2440 | Öldziytiyn Gol Oldzeyte Gol,Oldziitiin Gol,Oldziyt gol,Oldziytiyn Gol,Uda,Ul'dzeytu,Ul'izeytu gol,Ul'tszeytu gol,Ul... | Mongolia, Bayanhongor | stream | N 46° 23′ 0'' | E 99° 21′ 0'' |
| 2441 | Öldzeyteyn Horshoo Oldzeyteyn Horshoo,Ultszeituin khorsho,Ultszeituyn Khorsho,Ultszeytuin Khorsho,Öldzeyteyn Horshoo | Mongolia, Bayanhongor | populated place | N 47° 18′ 0'' | E 98° 35′ 0'' |
| 2442 | Ögöömöriin Bayshing Ogoomoriin Bayshin,Ogoomoriin Bayshing,Ugomoriin Bayshing,Ugumir,Ögöömöriin Bayshin,Ögöömöriin Baysh... | Mongolia, Govi-Altai Province | populated place | N 46° 1′ 0'' | E 95° 5′ 0'' |
| 2443 | Nuga Dzabhan Mandal Suma,Dzabkhan-Mandal,Dzavhanmandal,Dzawkhanmandal,Nuga,Дзабхан-Мандал | Mongolia, Dzabkhan | seat of a second-order administrative division | N 48° 19′ 0'' | E 95° 7′ 0'' |
| 2444 | Noyon Uul Gora Noyan ula,Noyon Uul,Noyon Uula | Mongolia, Bayanhongor | mountain | N 45° 5′ 0'' | E 99° 55′ 0'' |
| 2445 | Nomingiyn Govĭ Har Sayrin Hondiy,Har Sayrïn Höndiy,Hoh Nariyn Govi,Höh Nariyn Govĭ,Ingene Ovoo,Nao-mao Ko-pi,No-min... | CN,MN | desert | N 43° 45′ 0'' | E 95° 15′ 0'' |
| 2446 | Nogoonnuur Nogon-Nur,Nogoonnuur,Notoonnuur,Ногон-Нур | Mongolia, Bayan-Ölgii Province | seat of a second-order administrative division | N 49° 36′ 58'' | E 90° 14′ 31'' |
| 2447 | Naranbulag Naran-Bulak,Naranbulag,Наран-Булак | Mongolia, Uvs Province | seat of a second-order administrative division | N 49° 22′ 0'' | E 92° 34′ 0'' |
| 2448 | Namiriin Hüryee Namiran Huree,Namiran Hüree,Namiriin Huryee,Namiriin Hüryee,Namiriin hurie,Namiriin hürie,Namiriin k... | Mongolia, Uvs Province | populated place | N 49° 11′ 0'' | E 91° 46′ 0'' |
| 2449 | Namiin Dabaa Namiin Dabaa,Pereval Namiin daba | Mongolia, Govi-Altai Province | pass | N 46° 58′ 0'' | E 95° 27′ 0'' |
| 2450 | Nam Dabaa Nam Dabaa,Namu daba Toge,Namu daba Tōge,Pereval Nam daba | Mongolia, Hovd | pass | N 46° 9′ 0'' | E 93° 21′ 0'' |
by