| Acronym | Definition |
|---|
| JL | Justice League |
| JL | Jude Law (actor) |
| JL | Jiffy Lube (car maintenance) |
| JL | John Lennon (singer/guitarist/songwriter; Beatle) |
| JL | Jay Leno |
| JL | Junior League |
| JL | Jongstleden |
| JL | Jerry Lewis |
| JL | Jaunais Laiks (New Era, Latvian political party) |
| JL | John Lyons (horse trainer) |
| JL | Jemaah Islamiyah (clandestine organisation aimed at establishing an Islamic state) |
| JL | James Labrie (Dream Theater) |
| JL | Jump If Less |
| JL | Joint Logistics |
| JL | Joliotium (Element 105) |
| JL | Japan Airlines Company Ltd. (IATA airline code) |
| JL | Juliet Lewis (actress) |
| JL | Johnny Lever (Indian comedian) |
| JL | Joule's Law |
| JL | Jamming Locator |