Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Our Lady of Fatima Church | Church | 1587 | Bernalillo | 35 05 13 N | 106 35 57 W |
| Our Lady of Fatima Parish | Church | 1584 | Bernalillo | 35 07 50 N | 106 35 14 W |
| Our Lady of Fatima Parish | Church | 1774 | Grant | 32 45 42 N | 108 07 50 W |
| Our Lady of Fatima School | School | 1588 | Bernalillo | 35 05 08 N | 106 36 01 W |
| Our Lady of Grace Parish | Church | 1030 | Eddy | 32 50 32 N | 104 24 12 W |
| Our Lady of Guadalupe Church | Church | 1519 | Bernalillo | 35 09 18 N | 106 38 24 W |
| Our Lady of Guadalupe Church | Church | 2114 | Mora | 35 46 20 N | 105 14 54 W |
| Our Lady of Guadalupe Church | Church | 1597 | Sandoval | 35 34 22 N | 106 20 13 W |
| Our Lady of Guadalupe Church | Church | 2132 | Santa Fe | 35 41 13 N | 105 56 16 W |
| Our Lady of Guadalupe Church | Church | 1482 | Valencia | 34 50 13 N | 106 41 26 W |
| Our Lady of Guadalupe Parish | Church | 1104 | Lea | 32 42 09 N | 103 08 10 W |
| Our Lady of Lavang Church | Church | 1584 | Bernalillo | 35 07 50 N | 106 35 14 W |
| Our Lady of Light Chapel Historic Site | Church | 2132 | Santa Fe | 35 41 13 N | 105 56 16 W |
| Our Lady of Light Church Historic Site | Church | 2122 | Santa Fe | 35 32 57 N | 105 49 33 W |
| Our Lady of Mount Carmel | Church | 1525 | Bernalillo | 35 10 07 N | 106 37 05 W |
| Our Lady of Mount Carmel Church | Church | 2214 | Mora | 35 54 22 N | 105 19 24 W |
| Our Lady of Mount Carmel Monastary | Church | 1510 | Bernalillo | 35 05 09 N | 106 40 53 W |
| Our Lady of Perpetual Help Byzantine Rite Catholic Church | Church | 1584 | Bernalillo | 35 07 50 N | 106 35 14 W |
| Our Lady of Purification Catholic Church Historic Site | Church | 1208 | Dona Ana | 32 23 22 N | 106 48 50 W |
| Our Lady of Sorrows Catholic Church | Church | 1958 | San Miguel | 35 35 38 N | 105 13 02 W |
| Our Lady of Sorrows Catholic Church | Church | 1542 | Sandoval | 35 19 05 N | 106 32 51 W |
| Our Lady of Sorrows Catholic Church | Church | 1440 | Socorro | 34 20 46 N | 106 50 44 W |
| Our Lady of Sorrows Cemetery | Cemetery | 1558 | Sandoval | 35 18 55 N | 106 32 07 W |
| Our Lady of Sorrows Convent Historic Site | Church | 1540 | Sandoval | 35 18 00 N | 106 33 04 W |
| Our Lady of Sorrows School | School | 1542 | Sandoval | 35 18 52 N | 106 32 49 W |
| Our Lady of the Angels School | Church | 35 | Bernalillo | 35 07 30 N | 106 37 30 W |
| Our Lady of the Annunciation Church | Church | 1584 | Bernalillo | 35 07 50 N | 106 35 14 W |
| Our Lady of the Most Holy Rosary Church | Church | 1519 | Bernalillo | 35 09 18 N | 106 38 22 W |
| Our Lady of the Rosary Catholic Chapel | Church | 1519 | Bernalillo | 35 09 18 N | 106 38 24 W |
| Our Savior Lutheran Church | Church | 1519 | Bernalillo | 35 09 18 N | 106 38 24 W |
| Our Savior Lutheran Church | Church | 1192 | Lea | 32 56 38 N | 103 20 55 W |
| Our Saviour Lutheran Church | Church | 1323 | Otero | 32 53 58 N | 105 57 37 W |
| Outlaw Canyon | Valley | | Grant | 32 43 18 N | 107 44 25 W |
| Outlaw Canyon | Valley | | Lincoln | 33 42 10 N | 105 38 40 W |
| Outlaw Canyon | Valley | | Sierra | 32 42 30 N | 107 23 35 W |
| Outlaw Mountain | Summit | 1854 | Grant | 33 12 04 N | 108 53 42 W |
| Outlaw Spring | Spring | 2060 | Catron | 33 49 56 N | 108 41 58 W |
| Outlaw Spring | Spring | 2634 | Grant | 33 00 59 N | 107 52 48 W |
| Outlaw Tank | Reservoir | 2228 | Catron | 33 37 41 N | 107 44 11 W |
| Outlaw Tank | Reservoir | 2195 | Catron | 33 37 42 N | 107 44 13 W |
| Outlaw Well | Locale | 1382 | Sierra | 32 42 29 N | 107 23 50 W |
| Outlet Canal | Canal | 1192 | Chaves | 33 19 46 N | 104 40 56 W |
| Outlet Neck | Pillar | 2166 | McKinley | 35 54 49 N | 109 02 27 W |
| Outreach Gospel Ministries Church | Church | 1323 | Otero | 32 53 58 N | 105 57 37 W |
| Over the Mountain Well | Well | 1861 | Socorro | 34 06 06 N | 106 35 24 W |
| Overhill Tank | Reservoir | 2280 | Catron | 33 32 19 N | 107 52 58 W |
| Overlook Campground | Locale | 2040 | Santa Fe | 35 57 49 N | 105 55 06 W |
| Overlook Picnic Areas | Locale | 1911 | Los Alamos | 35 49 31 N | 106 10 57 W |
| Overlook Site | Locale | 37 | Rio Arriba | 36 43 27 N | 107 49 29 W |
| Overly Well | Well | 1296 | Chaves | 33 42 37 N | 103 50 05 W |
| Overton Ranch | Locale | 1453 | DeBaca | 34 19 33 N | 104 43 53 W |
| Overton Ranch | Locale | 1504 | DeBaca | 34 32 24 N | 104 41 59 W |
| OW 1- 1 Water Well | Well | 36 | Sandoval | 35 35 00 N | 106 20 16 W |
| OW 13-10 Water Well | Well | 36 | Sandoval | 35 34 49 N | 106 19 05 W |
| OW 18- 1 Water Well | Well | 36 | Sandoval | 35 35 36 N | 106 19 13 W |
| OW 19- 3 Water Well | Well | 36 | Sandoval | 35 35 40 N | 106 19 50 W |
| OW 19- 6 Water Well | Well | 36 | Sandoval | 35 34 49 N | 106 19 05 W |
| OW 19- 7 Water Well | Well | 36 | Sandoval | 35 34 42 N | 106 20 51 W |
| OW 19- 9 Water Well | Well | 36 | Sandoval | 35 35 00 N | 106 20 16 W |
| OW 19-12 Water Well | Well | 36 | Sandoval | 35 34 16 N | 106 20 03 W |
| OW 19-13 Water Well | Well | 36 | Sandoval | 35 34 16 N | 106 20 03 W |
| OW 20- 1 Water Well | Well | 36 | Sandoval | 35 37 22 N | 106 20 37 W |
| OW 20- 4 Water Well | Well | 36 | Sandoval | 35 36 08 N | 106 34 04 W |
| OW 20- 5 Water Well | Well | 36 | Sandoval | 35 36 22 N | 106 21 12 W |
| OW 3- 1 Water Well | Well | 36 | Sandoval | 35 34 20 N | 106 20 41 W |
| OW 3- 5 Water Well | Well | 36 | Sandoval | 35 34 16 N | 106 20 25 W |
| OW 4- 2 Water Well | Well | 36 | Sandoval | 35 36 35 N | 106 19 38 W |
| OW 4- 5 Water Well | Well | 36 | Sandoval | 35 35 40 N | 106 19 50 W |
| OW 4- 8 Water Well | Well | 36 | Sandoval | 35 34 48 N | 106 19 52 W |
| OW 9- 6 Water Well | Well | 36 | Sandoval | 35 37 22 N | 106 20 37 W |
| Owen | Locale | 1437 | Quay | 34 50 16 N | 103 29 26 W |
| Owens Chapel AME | Church | 33 | Otero | 32 53 58 N | 105 57 35 W |
| Owens Mine | Mine | 1506 | Hidalgo | 31 50 30 N | 108 14 22 W |
| Owens Ranch | Locale | 1527 | Lincoln | 33 41 59 N | 105 07 31 W |
| Owens Ranch | Locale | 1289 | Quay | 35 05 30 N | 103 44 19 W |
| Owens Tank | Reservoir | 1798 | Eddy | 32 01 47 N | 104 49 55 W |
| Owens-Roybal Group | Mine | 2195 | Taos | 36 10 59 N | 105 46 30 W |
| Owl | Mine | 1430 | Hidalgo | 32 17 03 N | 108 45 02 W |
| Owl Canyon | Valley | | Catron | 33 39 32 N | 108 59 30 W |
| Owl Canyon | Valley | | Hidalgo | 31 47 12 N | 109 02 20 W |
| Owl Canyon | Valley | | Socorro | 33 39 50 N | 107 33 08 W |
| Owl Creek | Stream | | Hidalgo | 31 40 43 N | 109 05 47 W |
| Owl Draw | Valley | | Eddy | 32 01 06 N | 104 05 36 W |
| Owl Mine | Mine | 1441 | Hidalgo | 32 17 20 N | 108 45 03 W |
| Owl Spring | Spring | 2341 | McKinley | 35 34 58 N | 108 06 21 W |
| Owl Spring | Spring | 2482 | San Juan | 36 05 50 N | 108 50 48 W |
| Owl Springs | Spring | 1763 | Sandoval | 35 37 43 N | 106 45 49 W |
| Owl Tank | Reservoir | 1582 | Otero | 32 09 25 N | 105 53 04 W |
| Owl Tank Canyon | Valley | | Otero | 32 08 51 N | 105 54 47 W |
| Owl Trick Tank | Reservoir | 2398 | Taos | 36 31 56 N | 105 56 33 W |
| Owl Water Spring | Spring | 2109 | Catron | 33 53 52 N | 108 33 31 W |
| Owls Nest Wash | Arroyo | | McKinley | 35 46 35 N | 108 51 35 W |
| Ownby Well | Well | 1267 | Chaves | 33 46 10 N | 103 56 40 W |
| Owsley Water Well | Well | 2278 | Cibola | 34 39 55 N | 107 45 04 W |
| Owsley Windmill | Locale | 2277 | Cibola | 34 39 55 N | 107 45 03 W |
| Ox Canyon | Valley | | Colfax | 36 44 34 N | 104 37 13 W |
| Ox Canyon | Valley | | Torrance | 34 35 37 N | 106 24 22 W |
| Ox Canyon Mine | Mine | 2121 | Colfax | 36 45 01 N | 104 37 15 W |
| Ox Canyon Mine | Mine | 2102 | Colfax | 36 44 58 N | 104 37 14 W |
| Ox Canyon Trail | Trail | 2423 | Torrance | 34 36 06 N | 106 24 33 W |
| Ox Canyon Trailhead | Locale | 2480 | Torrance | 34 36 21 N | 106 25 01 W |
| Ox Spring | Spring | 2243 | Catron | 34 21 55 N | 107 52 25 W |
| Ox Spring Canyon | Valley | | Catron | 34 25 28 N | 107 50 02 W |
| Ox Well | Well | 2246 | Catron | 34 21 51 N | 107 51 53 W |
| Ox Yoke Canyon | Valley | | Lincoln | 33 47 39 N | 105 37 45 W |
| Oxnard Well | Well | 2007 | Santa Fe | 35 15 06 N | 105 57 46 W |
| Ozane Well | Well | 1886 | Socorro | 33 47 50 N | 106 19 36 W |
| P 16 Water Well | Well | 1253 | Dona Ana | 31 51 54 N | 106 41 46 W |
| P A Canyon | Valley | | Sierra | 32 47 19 N | 107 36 06 W |
| P A Mountain | Summit | 2194 | Sierra | 32 47 38 N | 107 39 26 W |