| Abbreviation | Definition |
|---|---|
| JLSR | Japanese Language School Of Raleigh |
| JLU | Joint Language University |
| JML | Journal of Modern Literature |
| JML | Juggling Markup Language |
| JMM | Jamiatu Muslim in Mindanao |
| JNL | Just Natural Language |
| JOMAPAMI | "Jo ma pami" is translated "please don't kill me" in Yoruba Language. |
| JPBC | Java Pairing Based Cryptography |
| JPQL | Java Persistence Query Language |
| JRW | James River Writers |
| JSL | J Sharp Language |
| JSML | Java Speech Markup Language |
| JSML | JavaTM Speech Markup Language |
| JSQL | Java Structured Query Language |
| JSSL | Joint Services School for Linguists |
| JTL | Journal of Transport Literature |
| JTLS | Joint Technical Language Service |
| JUX | JUXtaposition |
| JWAL | Journal of West African Languages |
| KAL | Knowledge About Language |