Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Our Lady of Sorrows Roman Catholic Church | Church | | New York | 40 43 08 N | 073 58 58 W |
| Our Lady of Sorrows School | School | 18 | Queens | 40 45 15 N | 073 51 48 W |
| Our Lady of Sorrows School | School | 79 | Westchester | 41 00 40 N | 073 45 16 W |
| Our Lady of the Angels Roman Catholic Church | Church | | Bronx | 40 52 24 N | 073 54 05 W |
| Our Lady of the Angels School | School | | Bronx | 40 52 25 N | 073 54 00 W |
| Our Lady of the Angels School | School | 339 | Sullivan | 41 46 09 N | 074 54 10 W |
| Our Lady of the Assumption School | School | | Bronx | 40 50 43 N | 073 49 38 W |
| Our Lady of the Blessed Sacrament Church | Church | | Queens | 40 46 02 N | 073 47 07 W |
| Our Lady of the Blessed Sacrament School | School | | Queens | 40 45 59 N | 073 47 08 W |
| Our Lady of the Isle Cemetery | Cemetery | 8 | Suffolk | 41 05 19 N | 072 20 20 W |
| Our Lady of the Lake Church | Church | 195 | Putnam | 41 27 24 N | 073 39 13 W |
| Our Lady of the Miraculous Medal Church | Church | | Queens | 40 42 41 N | 073 54 10 W |
| Our Lady of the Miraculous Medal School | School | | Queens | 40 42 42 N | 073 54 08 W |
| Our Lady of the Rosary Church | Church | 32 | Westchester | 40 56 35 N | 073 53 46 W |
| Our Lady of the Rosary School | School | 32 | Westchester | 40 56 35 N | 073 53 46 W |
| Our Lady of the Sacred Heart Church | Church | | Rockland | 41 01 30 N | 073 56 47 W |
| Our Lady of the Snows Church | Church | | Queens | 40 44 41 N | 073 42 45 W |
| Our Lady of the Snows School | School | 35 | Queens | 40 44 43 N | 073 42 45 W |
| Our Lady of the Valley Church | Church | 183 | Ulster | 41 37 20 N | 074 21 48 W |
| Our Lady of the Wayside Chapel | Church | 12 | Suffolk | 41 00 57 N | 072 14 28 W |
| Our Lady of Victory Academy of Westchester | School | 47 | Westchester | 41 01 19 N | 073 52 13 W |
| Our Lady of Victory Church | Church | | Nassau | 40 43 23 N | 073 42 09 W |
| Our Lady of Victory Parochial School | School | 40 | Westchester | 40 54 51 N | 073 50 17 W |
| Our Lady of Victory Roman Catholic Church | Church | | Kings | 40 40 53 N | 073 56 25 W |
| Our Lady of Victory Roman Catholic Church | Church | 41 | Westchester | 40 54 51 N | 073 50 18 W |
| Our Lady of Victory School | School | 26 | Nassau | 40 43 21 N | 073 42 07 W |
| Our Lady Queen of All Saints Church | Church | | Kings | 40 41 18 N | 073 58 10 W |
| Our Lady Queen of All Saints School | School | | Kings | 40 41 17 N | 073 58 09 W |
| Our Lady Queen of Martyrs Church | Church | | Queens | 40 43 10 N | 073 50 27 W |
| Our Lady Queen of Peace School | School | 155 | Monroe | 43 06 26 N | 077 33 51 W |
| Our Lady Star of the Sea School | School | 22 | Richmond | 40 32 00 N | 074 11 28 W |
| Our Redeemer Lutheran Church | Church | | Nassau | 40 40 23 N | 073 29 04 W |
| Our Savior Church | Church | 297 | Broome | 42 07 35 N | 076 01 36 W |
| Our Savior Church | Church | 29 | Suffolk | 40 51 52 N | 073 05 03 W |
| Our Saviour Evangelical Lutheran Church | Church | 35 | Westchester | 41 11 52 N | 073 52 41 W |
| Our Saviour Lutheran Church | Church | | Queens | 40 43 40 N | 073 51 50 W |
| Our Saviour Lutheran School | School | | Queens | 40 43 16 N | 073 51 57 W |
| Our Saviour Roman Catholic School | School | | Bronx | 40 51 20 N | 073 53 36 W |
| Our Saviours Church | Church | 285 | Chemung | 42 10 30 N | 076 50 18 W |
| Our World Neighborhood Charter School | School | | Queens | 40 45 21 N | 073 55 27 W |
| Outer Harbor Middle Channel | Canal | 174 | Erie | 42 51 25 N | 078 52 42 W |
| Outer Harbor Turning Basin | Harbor | 174 | Erie | 42 50 47 N | 078 52 21 W |
| Outer Steamboat Rock | Bar | -3 | Westchester | 40 55 59 N | 073 42 53 W |
| Outerbridge Crossing | Bridge | 0 | Richmond | 40 31 29 N | 074 14 49 W |
| Outerbridge Reach | Channel | 0 | Richmond | 40 31 16 N | 074 14 52 W |
| Outlet Bay | Bay | 537 | Hamilton | 43 52 15 N | 074 37 10 W |
| Outlet Brook | Stream | | Essex | 44 17 41 N | 073 59 59 W |
| Outwater Memorial Park | Park | 191 | Niagara | 43 10 43 N | 078 42 20 W |
| Oven Lake | Lake | 610 | Herkimer | 44 01 18 N | 074 54 36 W |
| Oven Mountain | Summit | 650 | Warren | 43 39 03 N | 073 58 36 W |
| Oven Mountain Pond | Lake | 392 | Warren | 43 38 51 N | 073 58 59 W |
| Oven Point | Cape | 498 | Hamilton | 43 59 36 N | 074 24 09 W |
| Overacker Corners | Locale | 316 | Yates | 42 44 20 N | 077 16 47 W |
| Overacre Cemetery | Cemetery | 91 | Cayuga | 43 16 40 N | 076 42 38 W |
| Overbeck Hall | Building | 65 | Westchester | 40 56 42 N | 073 49 14 W |
| Overlook | Populated Place | 265 | Saratoga | 43 17 33 N | 073 56 47 W |
| Overlook Beach | Beach | 0 | Suffolk | 40 41 54 N | 073 09 21 W |
| Overlook Manor | Building | 38 | Bronx | 40 53 17 N | 073 54 13 W |
| Overlook Mountain | Summit | 956 | Ulster | 42 05 06 N | 074 05 36 W |
| Overlook School | School | 55 | Dutchess | 41 41 28 N | 073 51 32 W |
| Overshot Pond | Lake | 300 | Essex | 43 57 38 N | 073 34 41 W |
| Ovid | Populated Place | 295 | Seneca | 42 40 35 N | 076 49 23 W |
| Ovid Airport | Airport | 321 | Seneca | 42 39 17 N | 076 47 45 W |
| Ovid Center Cemetery | Cemetery | 266 | Seneca | 42 39 30 N | 076 45 45 W |
| Owasco | Populated Place | 272 | Cayuga | 42 51 18 N | 076 27 55 W |
| Owasco Country Club | Locale | 224 | Cayuga | 42 54 17 N | 076 31 34 W |
| Owasco Flats | Flat | 221 | Cayuga | 42 43 12 N | 076 25 58 W |
| Owasco Hill | Populated Place | 406 | Cayuga | 42 43 39 N | 076 27 53 W |
| Owasco Inlet | Stream | | Cayuga | 42 45 19 N | 076 27 49 W |
| Owasco Lake | Reservoir | 217 | Cayuga | 42 54 05 N | 076 32 17 W |
| Owasco Lake Station | Populated Place | 222 | Cayuga | 42 50 26 N | 076 31 35 W |
| Owasco Outlet | Stream | | Cayuga | 43 04 36 N | 076 38 54 W |
| Owasco Rural Cemetery | Cemetery | 276 | Onondaga | 42 50 59 N | 076 26 58 W |
| Owatonna Island | Island | 75 | St. Lawrence | 44 26 10 N | 075 47 22 W |
| Owego | Populated Place | 248 | Tioga | 42 06 12 N | 076 15 44 W |
| Owego Creek | Stream | | Tioga | 42 05 42 N | 076 16 21 W |
| Owego Reservoir | Reservoir | 302 | Tioga | 42 06 39 N | 076 14 40 W |
| Owen Dolen Golden Age Center | Building | | Bronx | 40 50 25 N | 073 50 36 W |
| Owen Hollow | Valley | | Chemung | 42 09 06 N | 076 56 45 W |
| Owen Pond | Lake | 514 | Essex | 44 19 18 N | 073 54 04 W |
| Owens Corners | Locale | 216 | St. Lawrence | 44 26 49 N | 075 06 56 W |
| Owens Mills | Populated Place | 351 | Chemung | 42 04 07 N | 076 35 50 W |
| Owl Creek | Stream | | Tioga | 42 10 26 N | 076 27 55 W |
| Owl Kill | Stream | | Washington | 42 57 04 N | 073 23 23 W |
| Owl Lake | Lake | 208 | Rockland | 41 16 22 N | 074 02 38 W |
| Owl Pate | Summit | 746 | Essex | 43 56 53 N | 073 39 04 W |
| Owl Pate Pond | Summit | 405 | Essex | 43 56 12 N | 073 38 54 W |
| Owl Pond | Lake | 483 | Franklin | 44 16 10 N | 074 09 10 W |
| Owl Pond | Lake | 590 | Hamilton | 43 36 19 N | 074 19 33 W |
| Owl Pond | Lake | 527 | Hamilton | 43 22 02 N | 074 29 58 W |
| Owl Pond | Lake | 63 | Saratoga | 43 03 35 N | 073 44 28 W |
| Owl Swamp | Swamp | 209 | Rockland | 41 16 21 N | 074 02 40 W |
| Owl's Head Water Pollution Control Plant | Locale | | Kings | 40 38 34 N | 074 02 03 W |
| Owls Head | Populated Place | 467 | Franklin | 44 44 04 N | 074 10 08 W |
| Owls Head | Summit | 380 | Essex | 43 51 57 N | 073 43 15 W |
| Owls Head | Summit | 627 | Essex | 44 14 55 N | 073 49 20 W |
| Owls Head | Summit | 793 | Essex | 44 23 18 N | 073 58 20 W |
| Owls Head | Summit | 679 | Franklin | 44 44 37 N | 074 09 33 W |
| Owls Head Lookout | Summit | 760 | Essex | 44 11 22 N | 073 40 08 W |
| Owls Head Mountain | Summit | 513 | Essex | 44 15 16 N | 073 48 49 W |
| Owls Head Mountain | Summit | 848 | Hamilton | 43 57 16 N | 074 29 56 W |
| Owls Head Park | Park | 21 | Kings | 40 38 25 N | 074 01 56 W |
| Owls Head Pinnacle | Summit | 517 | Franklin | 44 43 56 N | 074 11 35 W |
| Owls Head Pond | Lake | 469 | Franklin | 44 44 17 N | 074 10 08 W |
| Owls Head Pond | Lake | 562 | Hamilton | 43 56 38 N | 074 30 20 W |
| Owls Head Pond Outlet | Stream | | Hamilton | 43 56 11 N | 074 28 12 W |
| Owls Head Range | Ridge | 655 | Franklin | 44 44 58 N | 074 08 51 W |
| Owls Nest | Populated Place | 141 | Wayne | 43 10 55 N | 077 08 19 W |
| Owlsville | Populated Place | 542 | Schoharie | 42 27 52 N | 074 25 09 W |
| Owlville Creek | Stream | | Madison | 43 05 48 N | 075 46 13 W |