| JAA | EG | 688 | Japan Asia Airways |
| JAB | W9 | Air Bagan | |
| JAE | JI | 189 | Jade Cargo International |
| JAI | 9W | 589 | Jet Airways |
| JAK | Jana Arka Airlines | ||
| JAL | JL | 131 | Japan Airlines |
| JAS | JD | 234 | Japan Air System |
| JAT | JU | 115 | Jat Airways |
| JAZ | JO | 708 | JAL Ways |
| JBA | JB | 613 | Helijet Airways |
| JBU | B6 | JetBlue | |
| JCL | Jet Cargo Liberia | ||
| JCS | Jetclub | ||
| JEC | JX | 693 | Jett8 Airlines Cargo |
| JEF | Jetflite Oy | ||
| JEM | G3 | 938 | Emerald Airways |
| JES | JX | JES Air | |
| JEV | N7 | 504 | Lagun Air |
| JEX | JC | JAL Express | |
| JGO | SG | Jetsgo | |
| JHM | 187 | JHM Cargo Express | |
| JIA | PSA Airlines | ||
| JKK | JK | 680 | Spanair |
| JLH | 712 | Jet Link | |
| JMC | MT | 885 | jmc airlines |
| JND | K5 | 225 | Air East Africa |
| JOL | IP | 312 | Atyrau Airways |
| JOS | L3 | 947 | DHL de Guatemala |
| JPN | Memrykord UK | ||
| JPQ | Jett Paqueteria | ||
| JQA | JQ | 100 | Trans Jamaican Airlines |
| JRP | Simurg | ||
| JSA | 3K | Jetstar Asia | |
| JSC | Airstan | ||
| JST | JQ | 041 | Jetstar |
| JTA | NU | 353 | Japan TransOcean Air |
| JTL | 8J | Jetall | |
| JTY | VJ | Jatayu Airlines | |
| JUB | 3O | Jubba Airways | |
| JUS | 0O | USA Jet Airlines | |
| JXX | Iceland Express | ||
| JZA | QK | Air Canada Jazz |