| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
2351  | Yarantayn Uul Ya-jan-t'ai-yin-wu-la,Ya-jan-t’ai-yin-wu-la,Yarantayn Uul | Mongolia, Hovd | mountain | N 46° 8′ 0'' | E 91° 1′ 0'' |
2352  | Üyönch Uinchi sumu,Uyenchi,Uyenchi Somon,Uyenchi Suma,Uyonch,Üyenchi Suma,Üyönch | Mongolia, Hovd | seat of a second-order administrative division | N 46° 3′ 0'' | E 92° 1′ 0'' |
2353  | Üyench Gol Reka Narin,Reka Uyunchi,Uinchi-Gol,Uonch gol,Uyench Gol,Uyenchi Gol,Uyonch Gol,Uyunchi Kawa,Uyönch G... | Mongolia, Hovd | stream | N 45° 57′ 0'' | E 91° 54′ 0'' |
| 2354 | Uulaiin Dabaa Pereval Uliin daba,Ulin Daba,Uulaiin Dabaa,Uulaiin Davaa | Mongolia, Govi-Altai Province | pass | N 47° 6′ 0'' | E 95° 18′ 0'' |
| 2355 | Uujim  Sagsai,Sagsaj,Sagsay,Sagsaï,Uujim,Сагсай | Mongolia, Bayan-Ölgii Province | seat of a second-order administrative division | N 48° 54′ 0'' | E 89° 37′ 0'' |
| 2356 | Usan Hötöliin Uula Gora Usun khutulin ula,Usan Hotoliin Uula,Usan Hotolin Uul,Usan Hötöliin Uula,Usan Hötölin Uul | Mongolia, Govi-Altai Province | mountain | N 45° 54′ 0'' | E 93° 42′ 0'' |
| 2357 | Urt Uul Urt Uul,Wu-erh-t'e-wu-la,Wu-erh-t’e-wu-la | Mongolia, Bayan-Ölgii Province | mountain | N 48° 2′ 0'' | E 89° 10′ 0'' |
| 2358 | Urmogayty Nuur | Mongolia, Bayan-Ölgii Province | lake | N 48° 17′ 0'' | E 88° 46′ 0'' |
| 2359 | Urd Terhiyn Gol Reka Urida Terhi,Terkhein Urtu Gol,Urd Terh,Urd Terhiyn Gol,Urd Terkhiin Gol,Urd Terkhiïn Gol,Urda T... | Mongolia, Arkhangai Province | stream | N 48° 4′ 0'' | E 99° 20′ 0'' |
| 2360 | Urda Goliin Bayshing Urda Goliin Bayshing,Urdu Galiin Bayshing,Urdugoliin bayshing,Yrda Goliin Bayshing | Mongolia, Govi-Altai Province | populated place | N 45° 59′ 0'' | E 94° 42′ 0'' |
| 2361 | Unta Yamaatayn Dabaa Pereval Unta yamatuin daba,Unta Yamaatayn Dabaa | Mongolia, | pass | N 47° 29′ 0'' | E 99° 15′ 0'' |
| 2362 | Üneen-Us Undzen-Us,Uneen-Us,Unjin Usanii Jisa,Ündzen-Us,Üneen-Us | Mongolia, Govi-Altai Province | populated place | N 46° 3′ 0'' | E 97° 51′ 0'' |
| 2363 | Ulgun Nuur | Mongolia, Uvs Province | lake | N 48° 54′ 0'' | E 92° 5′ 0'' |
| 2364 | Ulaantolgoy Most,Möst,Ulaantolgoy | Mongolia, Hovd | seat of a second-order administrative division | N 46° 41′ 0'' | E 92° 47′ 0'' |
| 2365 | Ulaan Hayrhan Uula Gora Ulan khayrkhan ula,Gora Ulan-khairkhan,Ulaan Hayrhan Uul,Ulaan Hayrhan Uula | Mongolia, Hovd | mountain | N 45° 59′ 0'' | E 92° 54′ 0'' |
| 2366 | Ulaan Godzogor Gora Ulan gotszogor,Mount Ulan Gotsogor,Ulaan Godzogor | Mongolia, Govi-Altai Province | mountain | N 43° 42′ 0'' | E 96° 26′ 0'' |
| 2367 | Ulaan Chuluutayn Örtöö Ulaan Chuluutayn Ortoo,Ulaan Chuluutayn Örtöö,Ulan chulutuin urto,Ulan chulutuin yurts | Mongolia, Bayanhongor | populated place | N 47° 8′ 0'' | E 99° 42′ 0'' |
| 2368 | Ujigiin Talaiin Dugang Uchzhigin Talain Dugang,Uchzhigin Talayn dugang,Ujigiin Talaiin Dugang | Mongolia, Arkhangai Province | populated place | N 47° 57′ 0'' | E 98° 53′ 0'' |
| 2369 | Tüshinte Dabaa Pereval Tushintu daba,Tushinte Dabaa,Tushinte Davaa,Tüshinte Dabaa,Tüshinte Davaa | Mongolia, Bayan-Ölgii Province | pass | N 47° 35′ 0'' | E 90° 43′ 0'' |
| 2370 | Tümen Tumen,Tumen Suma,Tumun Somon,Tümen,Tümen Suma | Mongolia, Govi-Altai Province | populated place | N 46° 20′ 0'' | E 96° 17′ 0'' |
| 2371 | Tübshin Dabaa Pereval Tubshin daba,Tubshin Dabaa,Tubshin Davaa,Tübshin Dabaa,Tübshin Davaa | Mongolia, Bayan-Ölgii Province | pass | N 47° 24′ 0'' | E 90° 45′ 0'' |
| 2372 | Tsorjiin Hüryee Tsorchzhiin khure,Tsorjiin Huryee,Tsorjiin Hüryee,Tsorzhiin Khure | Mongolia, Bayanhongor | populated place | N 46° 31′ 0'' | E 98° 24′ 0'' |
| 2373 | Tsetserleg Ondor Hangay Suma,Ondorhangay,Ondorkhangai,Öndör Hangay Suma,Öndörhangay,Öndörkhangaï | Mongolia, Uvs Province | seat of a second-order administrative division | N 49° 16′ 16'' | E 94° 51′ 30'' |
| 2374 | Tsetserengiin Dugang Chitserengiin dugang,Tsetserengiin Dugang,Tsitserengiin dugang | Mongolia, Govi-Altai Province | populated place | N 45° 45′ 0'' | E 96° 30′ 0'' |
| 2375 | Tseel Tseel,Tseel Suma,Tseel' Somon,Tseel' sumu,Tseel’ Somon,Tseel’ sumu,Tsel,Tsel Sume | Mongolia, Govi-Altai Province | seat of a second-order administrative division | N 45° 34′ 0'' | E 95° 52′ 0'' |
| 2376 | Tsast Uul Tsasata Uula,Tsast Uul | Mongolia, | mountains | N 48° 45′ 0'' | E 90° 45′ 0'' |
| 2377 | Tsahir Uula Gora Tsakhir Ula,Tsahir Uul,Tsahir Uula | Mongolia, Dzabkhan | mountain | N 47° 51′ 0'' | E 93° 58′ 0'' |
| 2378 | Tsagaantüngi Altantsogts,Altantsögts,Tsagaantungi,Tsagaantüngi | Mongolia, Bayan-Ölgii Province | seat of a second-order administrative division | N 49° 3′ 0'' | E 90° 27′ 0'' |
| 2379 | Tsagaan-Olom Taishir,Tayshir,Taïshir,Tsagan Olom,Tsagan olon | Mongolia, Govi-Altai Province | seat of a second-order administrative division | N 46° 42′ 47'' | E 96° 31′ 33'' |
| 2380 | Tsagaan Nuur | Mongolia, Uvs Province | lake | N 49° 54′ 0'' | E 94° 51′ 0'' |
| 2381 | Tsagaan Nuur | Mongolia, Bayan-Ölgii Province | lake | N 49° 30′ 0'' | E 89° 46′ 0'' |
| 2382 | Tsagaangol Cagan-Gol,Tsagaangol,Цаган-Гол | Mongolia, Bayan-Ölgii Province | populated place | N 48° 59′ 0'' | E 89° 5′ 0'' |
| 2383 | Tsagaan Ergin Bayshing Tsagaan Ergin Bayshin,Tsagaan Ergin Bayshing,Tsagan Ergin Bayshing | Mongolia, Hovd | populated place | N 46° 45′ 0'' | E 93° 57′ 0'' |
| 2384 | Tsagaan Chuluuta Uula Gora Tsagan chulutu ula,Mount Tsagen Chulutu Ula,Tsagaan Chuluuta Uul,Tsagaan Chuluuta Uula | Mongolia, Govi-Altai Province | mountain | N 46° 0′ 0'' | E 93° 36′ 0'' |
| 2385 | Tsagaanchuluut | Mongolia, Dzabkhan | seat of a second-order administrative division | N 47° 6′ 43'' | E 96° 40′ 17'' |
| 2386 | Tooroyn Nuruu Khrebet Toroyn Nuru,Tooroyn Nuruu | Mongolia, Govi-Altai Province | mountains | N 45° 8′ 0'' | E 95° 40′ 0'' |
| 2387 | Togtohïn Shil Togtohiin Shili Nuruu,Togtohin Shil,Togtohïn Shil,Togtokhyn Shil | Mongolia, Uvs Province | mountains | N 49° 38′ 0'' | E 92° 33′ 0'' |
| 2388 | Togos Bülteyn Hüryee Togos Bulteyn Huryee,Togos Bülteyn Hüryee,Togos-Buyantayn Huree,Togos-Buyantayn Hüree,Tugus bulitiin... | Mongolia, Uvs Province | populated place | N 49° 55′ 0'' | E 91° 24′ 0'' |
| 2389 | Tögörigiin Bayshing Togorigiin Bayshin,Togorigiin Bayshing,Tugurigiin bayshing,Turgurigiin Bayshing,Tögörigiin Bayshin,T... | Mongolia, Govi-Altai Province | populated place | N 45° 49′ 0'' | E 94° 48′ 0'' |
| 2390 | Tengis Gol Reka Tengis,Reka Tengys,Teneis,Tenges gol,Tengis,Tengis Gol,Tengisiin Gol,Tengisin gol | Mongolia, Khövsgöl Province | stream | N 51° 27′ 0'' | E 99° 2′ 0'' |
| 2391 | Tegshin Bayantayn Hüryee Tegisin bayantuin khure,Tegshin Bayan-tuni Khure,Tegshin Bayantayn Huryee,Tegshin Bayantayn Hüryee,T... | Mongolia, Bayanhongor | populated place | N 46° 42′ 0'' | E 97° 55′ 0'' |
| 2392 | Teeliin Dugang Teeliin Dugang,Teelin Dugang,Tellin-Khure | Mongolia, Arkhangai Province | populated place | N 47° 58′ 0'' | E 98° 30′ 0'' |
| 2393 | Taygan Del'ger sumu,Delger,Delger Somon,Delger Suma | Mongolia, Govi-Altai Province | seat of a second-order administrative division | N 46° 21′ 12'' | E 97° 21′ 58'' |
| 2394 | Taryaata Hüryee Taryaata Huryee,Taryaata Hüryee,Taryatin-khure,Taryatu Khure | Mongolia, Arkhangai Province | populated place | N 48° 13′ 0'' | E 99° 24′ 0'' |
| 2395 | Targil Davaa T'a-erh-chi-le-ta-fan,Targil Davaa,T’a-erh-chi-le-ta-fan | Mongolia, Bayan-Ölgii Province | pass | N 47° 5′ 0'' | E 90° 49′ 0'' |
| 2396 | Tamchiyn Davaa Tamchiin Dawaa,Tamchiyn Davaa,Tamchiïn Dawaa | Mongolia, Govi-Altai Province | pass | N 45° 50′ 0'' | E 94° 1′ 0'' |
| 2397 | Talshand Chandmani,Chandmanĭ,Chindamani,Chindamani Somon,Chindamani Suma,Talshand | Mongolia, Govi-Altai Province | seat of a second-order administrative division | N 45° 20′ 0'' | E 97° 59′ 0'' |
| 2398 | Talaiin Shobogor Uula Gora Talain Shobugur ula,Talaiin Shobogor Uul,Talaiin Shobogor Uula | Mongolia, Govi-Altai Province | mountain | N 44° 9′ 0'' | E 97° 11′ 0'' |
| 2399 | Tahilta Öndör Uula Gora Takhiltu Undur ula,Tahilta Ondor Uul,Tahilta Ondor Uula,Tahilta Öndör Uul,Tahilta Öndör Uula | Mongolia, Govi-Altai Province | mountain | N 44° 38′ 0'' | E 96° 6′ 0'' |
| 2400 | Tahilt Tsogt,Tsogto Suma,Tsogtu,Tsogtu Somon,Tsogtu Sumu,Tsokt somon | Mongolia, Govi-Altai Province | seat of a second-order administrative division | N 45° 20′ 47'' | E 96° 38′ 44'' |
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