Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Olive Branch | Stream | | Saline | 40 36 55 N | 096 45 52 W |
| Olive Branch Cemetery | Cemetery | 616 | Keya Paha | 42 56 27 N | 099 27 51 W |
| Olive Branch Cemetery | Cemetery | 434 | Lancaster | 40 34 03 N | 096 49 10 W |
| Olive Branch Election Precinct | Civil | 433 | Lancaster | 40 33 41 N | 096 51 39 W |
| Olive Branch Post Office (historical) | Post Office | 418 | Lancaster | 40 35 00 N | 096 50 16 W |
| Olive Branch Public School | School | 443 | Lancaster | 40 33 09 N | 096 51 21 W |
| Olive Branch School (historical) | School | 460 | Thayer | 40 17 08 N | 097 25 34 W |
| Olive Creek Dam-Site 2 Dam | Dam | 409 | Lancaster | 40 35 06 N | 096 50 49 W |
| Olive Creek Lake | Reservoir | 409 | Lancaster | 40 35 06 N | 096 50 49 W |
| Olive Creek Lake | Reservoir | 412 | Lancaster | 40 35 08 N | 096 50 46 W |
| Olive Creek Lake State Recreation Area | Park | 409 | Lancaster | 40 34 50 N | 096 50 41 W |
| Olive Crest United Methodist Church | Church | 379 | Douglas | 41 19 28 N | 096 00 18 W |
| Olive Election Precinct | Civil | 476 | Saline | 40 23 21 N | 097 19 00 W |
| Olive Hill Congregation | Church | 487 | Nuckolls | 40 01 15 N | 098 04 12 W |
| Olive School (historical) | School | 577 | Nance | 41 27 33 N | 098 16 23 W |
| Oliver | Populated Place | 1460 | Kimball | 41 13 46 N | 103 47 17 W |
| Oliver Grove Cemetery | Cemetery | 513 | Cedar | 42 31 35 N | 097 25 01 W |
| Oliver House | Building | 502 | York | 40 52 14 N | 097 34 51 W |
| Oliver Ranch | Locale | 950 | McPherson | 41 31 42 N | 100 43 16 W |
| Oliver Reservoir | Reservoir | 1460 | Kimball | 41 13 18 N | 103 48 38 W |
| Oliver Reservoir | Reservoir | 1467 | Kimball | 41 13 26 N | 103 48 39 W |
| Oliver Reservoir Camping Area | Locale | 1471 | Kimball | 41 13 49 N | 103 49 54 W |
| Oliver Reservoir State Recreation Area | Park | 1471 | Kimball | 41 13 49 N | 103 49 54 W |
| Olsen Dam | Dam | 1371 | Cheyenne | 41 04 24 N | 103 17 44 W |
| Olsen Ranch | Locale | 920 | Cherry | 42 51 20 N | 101 04 01 W |
| Olsen Reservoir | Reservoir | 1371 | Cheyenne | 41 04 24 N | 103 17 44 W |
| Olson (historical) | Locale | 277 | Otoe | 40 33 50 N | 095 46 31 W |
| Olson Dam | Dam | 656 | Kearney | 40 21 12 N | 098 53 43 W |
| Olson Dam | Dam | 497 | Polk | 41 05 36 N | 097 34 49 W |
| Olson Ranch | Locale | 1140 | Garden | 41 29 10 N | 102 09 36 W |
| Olson Reservoir | Reservoir | 656 | Kearney | 40 21 12 N | 098 53 43 W |
| Olson Reservoir | Reservoir | 497 | Polk | 41 05 36 N | 097 34 49 W |
| Olson School | School | 559 | Madison | 41 50 38 N | 097 42 26 W |
| Olson Student Center | Building | 363 | Dodge | 41 26 14 N | 096 29 12 W |
| Oltman Dam | Dam | 469 | Saline | 40 34 36 N | 097 19 25 W |
| Olympic Heights | Park | 369 | Lancaster | 40 50 20 N | 096 47 31 W |
| Omadi Election Precinct | Civil | 370 | Dakota | 42 19 04 N | 096 29 09 W |
| Omaha | Locale | 316 | Douglas | 41 15 05 N | 095 55 51 W |
| Omaha | Populated Place | 320 | Douglas | 41 15 31 N | 095 56 16 W |
| Omaha Air Force Station (historical) | Military (Historical) | | Douglas | 41 21 37 N | 096 01 29 W |
| Omaha Beach Campground | Locale | 1000 | Keith | 41 17 56 N | 101 58 07 W |
| Omaha Bend | Bend | 293 | Douglas | 41 14 08 N | 095 54 41 W |
| Omaha Bible Church | Church | 346 | Douglas | 41 13 35 N | 096 04 54 W |
| Omaha Botanical Gardens | Park | 332 | Douglas | 41 14 25 N | 095 55 21 W |
| Omaha Childrens Clinic | Building | 347 | Douglas | 41 13 53 N | 096 06 49 W |
| Omaha Childrens Museum | Building | 338 | Douglas | 41 15 18 N | 095 56 35 W |
| Omaha Chinese Christian Church | Church | 323 | Douglas | 41 16 39 N | 096 02 35 W |
| Omaha Christian Academy | School | 336 | Douglas | 41 16 18 N | 096 02 19 W |
| Omaha Christian Center | Church | 368 | Douglas | 41 18 30 N | 096 04 02 W |
| Omaha Church of Christ | Church | 310 | Douglas | 41 15 08 N | 095 56 02 W |
| Omaha Civic Auditorium and Convention Center | Building | 318 | Douglas | 41 15 41 N | 095 56 22 W |
| Omaha Country Club | Locale | 376 | Douglas | 41 19 48 N | 096 01 02 W |
| Omaha Creek | Stream | | Thurston | 42 19 42 N | 096 28 48 W |
| Omaha Creek Ditch | Canal | 326 | Dakota | 42 19 27 N | 096 25 05 W |
| Omaha Downtown Post Office Station | Post Office | 315 | Douglas | 41 15 40 N | 095 56 16 W |
| Omaha Fire Department - Station 1 | Building | 322 | Douglas | 41 15 18 N | 095 56 11 W |
| Omaha Fire Department - Station 14 | Building | 358 | Douglas | 41 12 43 N | 095 56 56 W |
| Omaha Fire Department - Station 20 | Building | 314 | Douglas | 41 16 49 N | 095 56 31 W |
| Omaha Fire Department - Station 21 | Building | 337 | Douglas | 41 17 60 N | 095 57 57 W |
| Omaha Fire Department - Station 22 | Building | 299 | Douglas | 41 18 55 N | 095 54 53 W |
| Omaha Fire Department - Station 23 | Building | 318 | Douglas | 41 20 32 N | 095 57 51 W |
| Omaha Fire Department - Station 3 | Building | 358 | Douglas | 41 13 47 N | 095 56 31 W |
| Omaha Fire Department - Station 30 | Building | 331 | Douglas | 41 13 12 N | 096 01 15 W |
| Omaha Fire Department - Station 32 | Building | 308 | Douglas | 41 13 37 N | 096 02 38 W |
| Omaha Fire Department - Station 33 | Building | 377 | Douglas | 41 13 43 N | 095 58 33 W |
| Omaha Fire Department - Station 34 | Building | 330 | Douglas | 41 15 03 N | 095 59 09 W |
| Omaha Fire Department - Station 40 | Building | 375 | Douglas | 41 16 54 N | 095 59 01 W |
| Omaha Fire Department - Station 41 | Building | 358 | Douglas | 41 18 01 N | 096 00 24 W |
| Omaha Fire Department - Station 42 | Building | 369 | Douglas | 41 17 14 N | 096 04 15 W |
| Omaha Fire Department - Station 43 | Building | 364 | Douglas | 41 18 38 N | 096 04 11 W |
| Omaha Fire Department - Station 52 | Building | 331 | Douglas | 41 14 54 N | 096 04 58 W |
| Omaha Fire Department - Station 53 | Building | 321 | Douglas | 41 15 36 N | 096 02 24 W |
| Omaha Fire Department - Station 55 | Building | 373 | Douglas | 41 17 08 N | 096 08 19 W |
| Omaha Fire Department - Station 56 | Building | 338 | Douglas | 41 14 56 N | 096 10 15 W |
| Omaha Fire Department - Station 60 | Building | 349 | Douglas | 41 13 54 N | 096 06 51 W |
| Omaha Fire Department - Station 61 | Building | 367 | Douglas | 41 12 57 N | 096 05 06 W |
| Omaha Fire Department - Station 63 | Building | 360 | Douglas | 41 12 15 N | 096 10 34 W |
| Omaha Fire Department - Station 65 | Building | 342 | Douglas | 41 11 27 N | 096 08 08 W |
| Omaha Gospel Hall | Church | 358 | Douglas | 41 18 36 N | 096 01 09 W |
| Omaha Historical Marker | Park | 313 | Douglas | 41 14 30 N | 096 01 01 W |
| Omaha Home for the Boys Visitors Center and History Museum | Building | 379 | Douglas | 41 18 51 N | 095 59 33 W |
| Omaha Indian Community Church | Church | 369 | Douglas | 41 13 44 N | 095 56 43 W |
| Omaha Indian Reservation | Reserve | 384 | Thurston | 42 05 60 N | 096 30 02 W |
| Omaha Korean Assembly of God Church | Church | 327 | Douglas | 41 12 24 N | 096 00 03 W |
| Omaha Memorial Seventh Day Adventist School | School | 350 | Douglas | 41 16 15 N | 096 01 31 W |
| Omaha Nursing Home | Hospital | 361 | Douglas | 41 12 42 N | 095 59 15 W |
| Omaha Orthopedic Clinic | Hospital | 335 | Sarpy | 41 08 18 N | 096 02 09 W |
| Omaha Police Department | Building | 320 | Douglas | 41 15 19 N | 095 56 07 W |
| Omaha Police Department - Northeast Precinct | Building | 320 | Douglas | 41 17 53 N | 095 57 25 W |
| Omaha Police Department - Northwest Precinct | Building | 342 | Douglas | 41 16 44 N | 096 03 06 W |
| Omaha Police Department - Southeast Precinct | Building | 357 | Douglas | 41 12 29 N | 095 56 51 W |
| Omaha Police Department - Southwest Precinct | Building | 367 | Douglas | 41 12 57 N | 096 05 09 W |
| Omaha Post Office | Post Office | 329 | Douglas | 41 14 58 N | 095 55 54 W |
| Omaha Regency | Populated Place | 339 | Douglas | 41 16 10 N | 096 11 09 W |
| Omaha Surgical Center | Hospital | 326 | Douglas | 41 14 01 N | 096 02 22 W |
| Omaha Surgical Consultants PC Center | Hospital | 344 | Douglas | 41 14 21 N | 096 01 55 W |
| Omaha Travel Police Department | Building | 340 | Thurston | 42 06 47 N | 096 21 23 W |
| Omaha Tribal Cemetery | Cemetery | 382 | Thurston | 42 07 15 N | 096 21 44 W |
| Omaha Tribe Historical Marker | Park | 340 | Thurston | 42 06 47 N | 096 21 23 W |
| Omaha Tribe Mental Health Center | Hospital | 340 | Thurston | 42 06 47 N | 096 21 23 W |
| Omaha Valley Cemetery | Cemetery | 369 | Dakota | 42 17 26 N | 096 28 55 W |
| Omaha Village Apartments | Building | 337 | Washington | 41 33 03 N | 096 09 12 W |
| Omara Ranch | Locale | 1084 | Arthur | 41 43 47 N | 101 29 47 W |
| One Hundred Forty-Fourth Street Parkway Trail | Trail | 381 | Douglas | 41 15 02 N | 096 08 20 W |
| One Hundredth Meridian Museum | Building | 759 | Dawson | 40 51 35 N | 099 59 02 W |
| One Pacific Place Park | Park | 313 | Douglas | 41 14 40 N | 096 04 06 W |
| One Pacific Place Shopping Center | Locale | 314 | Douglas | 41 14 54 N | 096 04 21 W |
| One Way Ministry | Church | 345 | Douglas | 41 17 08 N | 096 01 13 W |
| One-R Elementary School | School | 573 | Hall | 41 00 12 N | 098 25 01 W |
| Ong | Locale | 512 | Clay | 40 23 47 N | 097 50 09 W |