| JKV | - | Jacksonville Airport | Jacksonville | |
| IJX | KIJX | Jacksonville Municipal Airport | Jacksonville | |
| - | - | Jacumba | Jacumba | |
| AFN | KAFN | Jaffrey Municipal Airport | Jaffrey | |
| - | - | Jakes Bar | Mc Carthy | |
| - | - | Jakolof Bay | Jakolof Bay | |
| - | - | Jamestown Municipal | Jamestown | |
| - | - | Jana | Edgerton | |
| JAS | KJAS | Jasper County-Bell Field | Jasper | |
| - | - | Jean | Jean | |
| - | - | Jefferson Co | Steubenville | |
| EFW | KEFW | Jefferson Municipal Airport | Jefferson | |
| MDN | - | Jefferson Proving Ground | Madison | |
| - | - | Jekyll Island | Jekyll Island | |
| - | - | Jena | Jena | |
| - | - | Jenkins | Wyoming | |
| - | - | Jennings | Jennings | |
| - | KJER | Jerome Co | Jerome | |
| NLE | - | Jerry Tyler Memorial Airport | Niles | |
| - | - | Jersey Shore | Jersey Shore | |
| - | - | Jewett Mesa | Apache Creek | |
| - | - | Jicarilla Apache Nation | Dulce | |
| LXN | KLXN | Jim Kelly Field | Lexington | |
| JDA | - | John Day Airport | John Day | |
| - | - | Johnson | Archdale | |
| - | - | Johnson | Port Mansfield | |
| JCY | KJCY | Johnson Airport | Johnson | |
| - | - | Johnson City Stolport Airport | Johnson City | |
| - | - | Johnson Co | Mountain City | |
| - | - | Johnson Creek | Yellow Pine | |
| - | - | Johnson Field | Smiths Creek | |
| - | - | Johnson Memorial | New Martinsville | |
| - | KJNX | Johnston County Airport | Smithfield | |
| JOT | KJOT | Joliet Municipal Airport | Joliet | |
| - | - | Jones | Benkelman | |
| - | - | Jones | Linden | |
| - | - | Jones | Bonham | |
| - | KLBO | Jones Lebanon | Lebanon | |
| - | - | Jones Memorial | Bristow | |
| - | - | Jonesboro Municipal | Jonesboro | |
| - | - | Jonesville | Jonesville | |
| JDN | KJDN | Jordan Airport | Jordan | |
| - | - | Joseph State | Joseph | |
| - | - | Joyce | Winnfield | |
| - | - | Judge Lewis-Mt Ayr Municipal | Mt Ayr | |
| - | - | Julesburg Municipal | Julesburg | |
| - | - | Junction | Junction | |
| - | - | Kadoka Municipal | Kadoka | |
| KKF | - | Kagvik Creek Airport | Kagvik Creek | |
| - | - | Kahoka Municipal | Kahoka | |