| Abbreviation | Definition |
|---|---|
| JPPE | Joint Programme Production Establishment |
| JPR | Jingle Production Room |
| JPS | Jewish Publication Service |
| JR | Jezebels Revenge |
| JRW | Jewish World Review |
| JS | Joint Stereo |
| JSK | Jai Shree Krishna |
| JT | Jackson Thomas |
| JTN | Jewish Television Network |
| JTO | Journalists Training Organisation |
| JTV | Jackson TeleVision |
| JTY | Japan Times Yokohama |
| JUX | Juxtaposition |
| JVN | Jambo Video Network |
| JVT | Jewish Voice Today |
| JWW | Jewish Web Week |
| JWW | Just another Wacky Webcomic |
| JYP | Jamaican Yellow Pages |
| KAB | Kansas Association of Broadcasters |
| KAB | Key At Broadcasting |