| Acronym | Definition |
|---|
| JAM | Jamboree |
| JAM | James |
| JAM | Jamaica |
| JAM | Jamming |
| JAM | Jazz Appreciation Month |
| JAM | Just A Minute (chat) |
| JAM | Journal of Applied Mathematics |
| JAM | Just A Moment |
| JAM | Jim and Pam (The Office TV show) |
| JAM | Joslyn Art Museum (Omaha, NE) |
| JAM | Jupiter Asset Management (UK) |
| JAM | Japan Automatic Machine |
| JAM | Java Abstraction Model |
| JAM | Java Maintainer |
| JAM | Just a Minute |
| JAM | Java Answering Machine |
| JAM | Job Activity Monitor |
| JAM | Joint Assessment Mission |
| JAM | Jesus and Me |
| JAM | Jaish al Mahdi (The Mahdi Army) |
| JAM | Jaysh Al Mahdi (Arabic name of Mahdi militia insurgency group in Iraq) |
| JAM | Java Application Manager |
| JAM | Journal of Applied Meteorology |
| JAM | Junction Adhesion Molecule |
| JAM | Japanese Association of MIT (Massachusetts Institute of Technology) |
| JAM | Journal of Asset Management |
| JAM | Jazz After Midnight |
| JAM | Journal of Applied Measurement (education) |
| JAM | Japanese Association of Museums (est. 1928) |
| JAM | Justice Action Movement |
| JAM | JYACC Application Manager |
| JAM | Joomla Advanced Message (software) |
| JAM | Justified Ancients of Mummu |
| JAM | Just Alanis Morissette |
| JAM | Journal of Audiological Medicine |
| JAM | Juvenile Arrest and Monitoring |
| JAM | Java Adapter for Mainframe (BEA Systems) |
| JAM | Java Agent-enabled Marketplace (BusinessBots, Inc.) |
| JAM | Jesus Alive Ministry |
| JAM | Joint Aviation Model |
| JAM | Japan Animation Music (Project) |
| JAM | Joining All Mothers |
| JAM | Joy Among Many |
| JAM | Joint Assessment of Maintainability (US Navy Aegis Weapon System maintainability) |
| JAM | Joining All Minds (Boys and Girls Clubs of Ontario) |
| JAM | JUMPS Action Memorandum |
| JAM | Jason and Marcus Detective Agency (comic) |
| JAM | Jackson State, Alcorn State and Mississippi Valley State (Universities) |
