| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
3951  | Öldzeyteyn Bulag Oldzeyteyn Bulag,Rodnik Ul'tszuytyyn-bulak,Rodnik Ul’tszuytyyn-bulak,Ul'tszuytoyn Bulak,Ul’tszuytoyn... | Mongolia, Hentiy | spring(s) | N 47° 16′ 0'' | E 110° 15′ 0'' |
3952  | Öldzeyte Oboo Oldzeyte Oboo,Oldzeyte Ovoo,Ultszeytu-obo,Öldzeyte Oboo,Öldzeyte Ovoo | Mongolia, Ömnögovĭ | cairn | N 45° 9′ 0'' | E 104° 7′ 0'' |
| 3953 | Öldzeyte Hudag Kolodets Ultszeytu khuduk,Oldzeyte Hudag,Oldzeyteyn Hudag,Ultszeytuin Khuduk Well,Öldzeyte Hudag,Öld... | Mongolia, Övörhangay | well | N 47° 8′ 0'' | E 103° 37′ 0'' |
3954  | Öhig Uul | Mongolia, Övörhangay | mountain | N 45° 30′ 0'' | E 101° 47′ 0'' |
| 3955 | Ögöömör Uula | Mongolia, East Aimak | mountain | N 46° 40′ 0'' | E 115° 17′ 0'' |
3956  | Ögöömör | Mongolia, Central Aimak | populated place | N 47° 55′ 0'' | E 104° 57′ 0'' |
| 3957 | Ögöömör | Mongolia, Hentiy | mountain | N 47° 33′ 0'' | E 111° 41′ 0'' |
| 3958 | Ögömöriyn-Hudag | Mongolia, Central Aimak | populated place | N 46° 50′ 0'' | E 107° 47′ 0'' |
| 3959 | Ögiy Tsagaan Hotöl | Mongolia, | pass | N 47° 50′ 0'' | E 102° 52′ 0'' |
| 3960 | Ögiy | Mongolia, Arkhangai Province | populated place | N 47° 47′ 0'' | E 102° 41′ 0'' |
| 3961 | Öbör Süüji Bulag Boro Suuji Bulag,Boro Süüji Bulag,Obor Suuji Bulag,Ubursuchzhi bulak,Öbör Süüji Bulag | Mongolia, Bulgan | stream | N 49° 59′ 0'' | E 104° 1′ 0'' |
| 3962 | Öböriin Bulag Oboriin Bulag,Rodnik Uburyyn-bulak,Uburoyn Bulak,Uburöyn Bulak,Öböriin Bulag | Mongolia, Hentiy | spring(s) | N 47° 7′ 0'' | E 109° 11′ 0'' |
| 3963 | Öbör Gandanii Jisa Obor Gandanii Jisa,Ubur gandanoy chzhisa,Ubur gandanyy chzhisa,Öbör Gandanii Jisa | Mongolia, Central Aimak | shrine | N 47° 11′ 0'' | E 105° 54′ 0'' |
| 3964 | Öbör Elegenii Hudag Kolodets Ubyr elegeni khuduk,Obor Elegenii Hudag,Ubor Elegeni Khuduk Well,Ubör Elegeni Khuduk Well,Ö... | Mongolia, Sühbaatar | well | N 47° 32′ 0'' | E 113° 25′ 0'' |
| 3965 | Obooto Uul | Mongolia, East Aimak | mountain | N 46° 44′ 0'' | E 116° 4′ 0'' |
| 3966 | Nütsegen Hudag Kolodets Nyutsugun khuduk,Nutsegen Hudag,Nutsugen Hudag,Nütsegen Hudag,Nütsügen Hudag | Mongolia, Ömnögovĭ | well | N 43° 55′ 47'' | E 103° 57′ 4'' |
| 3967 | Nüden-hudag | Mongolia, East Gobi Aymag | populated place | N 43° 52′ 0'' | E 110° 25′ 0'' |
| 3968 | Noyon Uul | Mongolia, Hentiy | mountain | N 49° 7′ 0'' | E 109° 39′ 0'' |
| 3969 | Noyon Uul | Mongolia, | mountain | N 48° 37′ 0'' | E 106° 30′ 0'' |
| 3970 | Noyon Hudag Kolodets Noyan-khuduk,Nayan Khuduk,Noyon Hudag | Mongolia, East Gobi Aymag | well | N 44° 0′ 0'' | E 109° 2′ 0'' |
| 3971 | Novotoyn | Mongolia, Central Aimak | populated place | N 47° 18′ 0'' | E 105° 17′ 0'' |
| 3972 | Nomtoyn Bulag Nomtoyn Bulag,Nomtoyn Bulak,Nomtöyn Bulak,Rodnik Nomtyyn-bulak | Mongolia, Hentiy | spring(s) | N 47° 43′ 0'' | E 109° 53′ 0'' |
| 3973 | Nomochon Oboo Nomochan Obo,Nomochon Oboo,Nomogon Oboo | Mongolia, East Gobi Aymag | cairn | N 43° 25′ 0'' | E 108° 10′ 0'' |
| 3974 | Nomgon Uul | Mongolia, Middle Govĭ | mountain | N 45° 21′ 0'' | E 104° 58′ 0'' |
| 3975 | Nomgon Uul | Mongolia, Ömnögovĭ | mountain | N 42° 43′ 0'' | E 107° 37′ 0'' |
| 3976 | Nomgon Oldziyt,Öldziyt | Mongolia, Hentiy | populated place | N 47° 30′ 12'' | E 110° 9′ 28'' |
| 3977 | Nomgon | Mongolia, Middle Govĭ | populated place | N 45° 26′ 0'' | E 105° 6′ 0'' |
| 3978 | Nerete Gol Nerete Gol,Neretu-gol,Reka Neretuy | Mongolia, Hentiy | stream | N 49° 13′ 0'' | E 108° 35′ 0'' |
| 3979 | Nerete Gol Nerete Gol,Noretuy,Nöretuy,Reka Nyretui,Reka Nyretuy | Mongolia, Hentiy | stream | N 49° 6′ 0'' | E 109° 22′ 0'' |
| 3980 | Nemerukenhanöra | Mongolia, East Aimak | mountain | N 47° 1′ 0'' | E 119° 37′ 0'' |
| 3981 | Nariyn | Mongolia, Selenge Province | populated place | N 49° 9′ 0'' | E 106° 16′ 0'' |
| 3982 | Narin Davaa | Mongolia, Selenge Province | pass | N 49° 4′ 0'' | E 106° 41′ 0'' |
| 3983 | Nariin Murii | Mongolia, Ulaanbaatar | populated place | N 48° 13′ 0'' | E 106° 37′ 0'' |
| 3984 | Nariin Gol Hogshin Orhon,Högshin Orhon,Nariin Gol,Narin Gol,Nariyn Gol | Mongolia, | stream | N 47° 46′ 0'' | E 102° 39′ 0'' |
| 3985 | Nariin Dugang | Mongolia, Bulgan | populated place | N 49° 45′ 0'' | E 102° 48′ 0'' |
| 3986 | Nariin Bulag Nariin Bulag,Narin Bular Well,Narin bulak,Narin bulak Well | Mongolia, Ömnögovĭ | spring(s) | N 44° 11′ 6'' | E 106° 38′ 32'' |
| 3987 | Nardn | Mongolia, East Gobi Aymag | populated place | N 44° 2′ 0'' | E 108° 14′ 0'' |
| 3988 | Narangiin Ulaan Oboo Narangiin Ulaan Oboo,Narangin ulan obo,Naringin Ulan Obo | Mongolia, Övörhangay | cairn | N 46° 46′ 0'' | E 103° 50′ 0'' |
| 3989 | Naran Daatsa Bulag Naran Daats Hudag,Naran Daatsa Bulag,Rodnik Naran daats bulak | Mongolia, Ömnögovĭ | spring(s) | N 43° 27′ 59'' | E 100° 26′ 16'' |
| 3990 | Namnan Uul | Mongolia, | mountain | N 49° 27′ 0'' | E 102° 16′ 0'' |
| 3991 | Namnang | Mongolia, Bulgan | populated place | N 49° 23′ 0'' | E 102° 50′ 0'' |
| 3992 | Nalgar Uul | Mongolia, Central Aimak | mountain | N 47° 51′ 0'' | E 106° 18′ 0'' |
| 3993 | Nabtgar Hargaa | Mongolia, Hentiy | mountain | N 47° 28′ 0'' | E 111° 13′ 0'' |
| 3994 | Myangan Yamaat | Mongolia, | mountain | N 44° 54′ 0'' | E 101° 34′ 0'' |
| 3995 | Muu Usa Kolodets Muusu,Mun Us,Muu Usa,Muusa | Mongolia, Ömnögovĭ | well | N 43° 14′ 25'' | E 100° 55′ 52'' |
| 3996 | Muhariin Bosogonii Hudag Kolodets Mukhuryn boskhany khuduk,Kolodets Mukhuryyn boskhany khuduk,Muhariin Bosogonii Hudag,Mukhur... | Mongolia, Sühbaatar | well | N 45° 33′ 0'' | E 114° 5′ 0'' |
| 3997 | Mörön Oboo Moroin Obo,Moron Oboo,Moryyn obo,Moröin Obo,Mörön Oboo | Mongolia, Middle Govĭ | cairn | N 46° 18′ 0'' | E 105° 24′ 0'' |
| 3998 | Mörön Gol Moron Gol,Muren-Gol,Mörön Gol,Reka Muron-gol,Reka Murön-gol | Mongolia, Hentiy | stream | N 47° 12′ 0'' | E 110° 33′ 0'' |
| 3999 | Mori Hudag Kolodets Mor'-khuduk,Kolodets Mor’-khuduk,Mori Hudag,Moro-Khuduk,Murii Hudag | Mongolia, East Aimak | well | N 47° 36′ 0'' | E 114° 57′ 0'' |
| 4000 | Mönhoteyn Tsohyoo Uula | Mongolia, East Gobi Aymag | mountain | N 42° 51′ 0'' | E 109° 42′ 0'' |
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