Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Iowa Point Cemetery | Cemetery | 320 | Doniphan | 39 54 57 N | 095 13 40 W |
| Iowa Sac and Fox Indian Mission | School | 302 | Doniphan | 39 51 52 N | 095 13 49 W |
| Iowa Union Cemetery | Cemetery | 641 | Phillips | 39 51 25 N | 099 22 11 W |
| Iowaville (historical) | Locale | 412 | Sedgwick | 37 34 37 N | 097 10 58 W |
| Irene (historical) | Locale | 532 | Pratt | 37 37 47 N | 098 32 46 W |
| Irish Creek | Stream | | Bourbon | 38 01 06 N | 095 00 16 W |
| Irish Creek | Stream | | Marshall | 39 41 48 N | 096 22 57 W |
| Irish Creek | Stream | | Montgomery | 37 17 09 N | 095 39 50 W |
| Irish Creek | Stream | | Reno | 37 50 56 N | 098 06 49 W |
| Irish Creek School (historical) | School | 246 | Montgomery | 37 16 33 N | 095 39 25 W |
| Irish Flats | Flat | 762 | Meade | 37 04 20 N | 100 25 12 W |
| Iron Mound | Summit | 454 | Saline | 38 48 30 N | 097 30 42 W |
| Iron Mountain | Summit | 629 | Kiowa | 37 26 07 N | 099 10 48 W |
| Irvin Oil Field | Oilfield | 671 | Ellis | 38 50 40 N | 099 27 11 W |
| Irving (historical) | Locale | 349 | Marshall | 39 38 20 N | 096 35 51 W |
| Irving Elementary School | School | 316 | Anderson | 38 16 50 N | 095 13 56 W |
| Irving Elementary School | School | 345 | Cowley | 37 14 49 N | 096 59 16 W |
| Irving Elementary School | School | 399 | Sedgwick | 37 42 46 N | 097 20 12 W |
| Irwin Army Hospital | Hospital | 344 | Geary | 39 04 45 N | 096 46 21 W |
| Isabel | Populated Place | 563 | Barber | 37 28 00 N | 098 33 01 W |
| Isabel Cemetery | Cemetery | 556 | Barber | 37 27 25 N | 098 36 11 W |
| Island (historical) | Locale | 391 | Neosho | 37 24 52 N | 097 08 07 W |
| Island Creek | Stream | | Franklin | 38 37 06 N | 095 18 05 W |
| Island Creek | Stream | | Leavenworth | 39 12 20 N | 094 48 51 W |
| Island Creek School (historical) | School | 259 | Wyandotte | 39 11 02 N | 094 51 50 W |
| Island Park | Park | 339 | Cowley | 37 14 58 N | 096 59 51 W |
| Island School (historical) | School | 261 | Neosho | 37 27 24 N | 095 09 06 W |
| Isley Cemetery | Cemetery | 388 | Brown | 39 53 04 N | 095 44 30 W |
| Isley Elementary School | School | 402 | Sedgwick | 37 43 04 N | 097 18 23 W |
| Israelite Church of God in Christ | Church | 410 | Sedgwick | 37 44 10 N | 097 17 30 W |
| Itasca (historical) | Locale | 1131 | Sherman | 39 19 05 N | 101 43 37 W |
| Iuka | Populated Place | 595 | Pratt | 37 43 45 N | 098 44 06 W |
| Iuka Township Cemetery | Cemetery | 595 | Pratt | 37 44 03 N | 098 43 52 W |
| Iuka-Carmi Oil and Gas Field | Oilfield | 584 | Pratt | 37 44 20 N | 098 40 56 W |
| Ivanhoe (historical) | Locale | 896 | Haskell | 37 39 10 N | 100 52 27 W |
| Ivanhoe Cemetery | Cemetery | 899 | Haskell | 37 38 30 N | 100 52 17 W |
| Ivanpah | Populated Place | 369 | Greenwood | 37 53 53 N | 096 28 57 W |
| Ivanpah Creek | Stream | | Greenwood | 37 54 05 N | 096 26 49 W |
| Ivy (historical) | Locale | 359 | Lyon | 38 37 53 N | 096 04 16 W |
| Ivy Cemetery | Cemetery | 361 | Lyon | 38 36 56 N | 096 03 36 W |
| IXL Cemetery | Cemetery | 608 | Osborne | 39 14 57 N | 098 55 20 W |
| IXL Oil Field | Oilfield | 534 | Rice | 38 25 12 N | 098 26 51 W |
| J V Ranch Airport | Airport | 361 | Osage | 38 38 00 N | 095 55 31 W |
| Jack (historical) | Locale | 507 | Russell | 39 05 22 N | 098 52 41 W |
| Jack Creek | Stream | | Chase | 38 07 55 N | 096 35 21 W |
| Jack Creek | Stream | | Phillips | 39 59 47 N | 099 25 06 W |
| Jack Poore Landing Strip | Airport | 1014 | Rawlins | 39 49 05 N | 101 20 59 W |
| Jackie Branch Marmaton River | Stream | | Allen | 37 48 40 N | 095 05 37 W |
| Jackrabbit Hill | Summit | 330 | Coffey | 38 14 03 N | 095 43 45 W |
| Jackson (historical) | Locale | 801 | Decatur | 39 40 20 N | 100 24 17 W |
| Jackson Branch | Stream | | Graham | 39 17 32 N | 099 54 35 W |
| Jackson Canyon | Valley | | Cheyenne | 40 00 37 N | 101 49 21 W |
| Jackson Cemetery | Cemetery | 802 | Decatur | 39 40 22 N | 100 24 15 W |
| Jackson Cemetery | Cemetery | 313 | Doniphan | 39 49 34 N | 094 55 29 W |
| Jackson Cemetery | Cemetery | 281 | Wilson | 37 35 01 N | 095 57 09 W |
| Jackson County | Civil | 374 | Jackson | 39 24 00 N | 095 50 01 W |
| Jackson Memorial Church of God in Christ | Church | 271 | Shawnee | 39 02 30 N | 095 39 56 W |
| Jackson Oil Field | Oilfield | 466 | Greenwood | 37 49 30 N | 096 31 11 W |
| Jackson Park | Park | 273 | Atchison | 39 32 40 N | 095 07 01 W |
| Jackson School (historical) | School | 351 | Cowley | 37 17 22 N | 097 07 56 W |
| Jacksonburg (historical) | Locale | 561 | Smith | 39 54 30 N | 098 53 46 W |
| Jacksonville (historical) | Locale | 279 | Jefferson | 39 10 50 N | 095 26 46 W |
| Jacob Creek | Stream | | Lyon | 38 23 16 N | 096 19 39 W |
| Jacobs | Populated Place | 421 | Dickinson | 38 36 43 N | 097 01 51 W |
| Jacobs Creek | Stream | | Coffey | 38 16 20 N | 095 52 01 W |
| Jacobs Creek Landing | Populated Place | 330 | Coffey | 38 15 55 N | 095 52 11 W |
| Jake Branch | Stream | | Miami | 38 30 06 N | 094 42 48 W |
| James B Hutton Elementary School | School | 289 | Neosho | 37 40 31 N | 095 26 42 W |
| James Branch | Stream | | Johnson | 38 56 18 N | 094 36 36 W |
| James Creek | Stream | | Jackson | 39 15 26 N | 095 53 19 W |
| James Crossing (historical) | Locale | 338 | Jackson | 39 26 55 N | 095 57 16 W |
| James Draw | Valley | | Kearny | 38 06 47 N | 101 07 36 W |
| James Lake | Reservoir | 604 | Pawnee | 38 03 07 N | 098 56 51 W |
| James School | School | 342 | Brown | 39 51 23 N | 095 32 07 W |
| James School | School | 247 | Montgomery | 37 00 28 N | 095 39 43 W |
| James School (historical) | School | 272 | Montgomery | 37 08 51 N | 095 51 18 W |
| Jamesburg Cemetery | Cemetery | 415 | Sedgwick | 37 42 58 N | 097 26 43 W |
| Jamesburg School (historical) | School | 414 | Sedgwick | 37 43 16 N | 097 28 53 W |
| Jamestown | Populated Place | 437 | Cloud | 39 35 58 N | 097 51 40 W |
| Jamestown Cemetery | Cemetery | 437 | Cloud | 39 35 47 N | 097 53 03 W |
| Jamestown State Waterfront Management Area | Park | 424 | Kearny | 39 40 00 N | 097 54 21 W |
| Jamesville School (historical) | School | 277 | Labette | 37 08 05 N | 095 20 59 W |
| Jaqua (historical) | Locale | 1073 | Cheyenne | 39 39 17 N | 102 01 52 W |
| Jaqua Cemetery | Cemetery | 1109 | Cheyenne | 39 38 16 N | 102 01 50 W |
| Jarbalo | Populated Place | 275 | Leavenworth | 39 12 07 N | 095 04 09 W |
| Jarbalo Creek | Stream | | Leavenworth | 39 11 13 N | 095 02 59 W |
| Jardine Junior High School | School | 395 | Sedgwick | 37 38 32 N | 097 17 44 W |
| Jardine Junior High School | School | 285 | Shawnee | 39 00 34 N | 095 42 33 W |
| Jarrett School (historical) | School | 244 | Cherokee | 37 03 41 N | 095 02 41 W |
| Jarvis Canyon | Valley | | Cheyenne | 40 01 40 N | 101 41 06 W |
| Jarvis Creek | Stream | | Rice | 38 16 06 N | 098 06 57 W |
| Jayhawk-Linn High School | School | 266 | Linn | 38 08 22 N | 094 48 48 W |
| Jeddo Church | Church | 310 | Allen | 37 49 14 N | 095 19 06 W |
| Jeddo School (historical) | School | 311 | Allen | 37 49 13 N | 095 19 03 W |
| Jeffers School (historical) | School | 314 | Doniphan | 39 50 30 N | 095 14 14 W |
| Jefferson | Populated Place | 244 | Montgomery | 37 06 44 N | 095 45 41 W |
| Jefferson Cemetery | Cemetery | 257 | Montgomery | 37 06 14 N | 095 44 50 W |
| Jefferson City (historical) | Locale | 323 | Jefferson | 39 22 05 N | 095 32 01 W |
| Jefferson County | Civil | 333 | Jefferson | 39 13 00 N | 095 24 01 W |
| Jefferson County North Elementary School | School | 357 | Jefferson | 39 19 20 N | 095 16 12 W |
| Jefferson County North High School | School | 357 | Jefferson | 39 19 24 N | 095 16 13 W |
| Jefferson Elementary School | School | 294 | Allen | 37 55 10 N | 095 24 09 W |
| Jefferson Elementary School | School | 564 | Barton | 38 22 36 N | 098 46 35 W |
| Jefferson Elementary School | School | 406 | Butler | 37 49 17 N | 096 52 01 W |
| Jefferson Elementary School | School | 330 | Cowley | 37 04 53 N | 097 02 20 W |
| Jefferson Elementary School | School | 412 | Sedgwick | 37 40 37 N | 097 16 56 W |
| Jefferson Park | Park | 256 | Leavenworth | 39 19 24 N | 094 55 51 W |
| Jefferson Point State Park | Park | 417 | Jefferson | 39 08 13 N | 097 28 54 W |
| Jefferson School | School | 399 | Riley | 39 05 42 N | 096 47 55 W |
| Jefferson School | School | 368 | Sumner | 37 15 19 N | 097 23 58 W |