| Abbreviation | Definition |
|---|---|
| JEDEC | Joint Electron Device Engineering Council |
| JEMA | Japan Electronic Messaging Association |
| JEMA | Jemajapan Electronic Messaging Association |
| JETEC | Joint Electron Tube Engineering Council |
| JGA | The Joplin Gaming Association |
| JHIHM | Johns Hopkine Institute of the History of Medicine |
| JIRA | Japan Industrial Robot Association |
| JITOA | Jordan Inbound Tour Operators Association |
| JPEG | Joint Photographic Experts Group |
| JPMA | Japan Pharmaceutical Manufacturers Association |
| JRCA | Jackman Region Community Association |
| JRPS | Japanese Reinforced Plastics Society |
| JSA | Janitors Society of America |
| JSA | Japanese Standards Association |
| JSAM | Japan Society of Acupuncture and Moxibustion |
| JSCN | Joint Standing Committee on Nominations |
| JSEA | Jesuit Secondary Education Association |
| JSMA | Japan Spring Manufacturers Association |
| JSMA | Japanese Spring Manufacturers Association |
| JSMA | Jersey Shore Music Association |