| Abbreviation | Definition |
|---|---|
| JKAI | Japan Karate Association Of India |
| JKCA | Jammu and Kashmir Cricket Association |
| JLA | Japan Lanchester Association |
| JLAF | Japan Lawyers Association for Freedom |
| JLAF | Jiffy Lube Association of Franchisees (Owings Mills, MD) |
| JLAM | Joint linkage association mapping |
| JLOA | Japan Lingual Orthodontic Association |
| JLPGA | Japan Ladies Professional Golf Association |
| JLPGA | Japan LP Gas Association |
| JMA | Jet Modellers Association |
| JMAC | Japan Management Association Consulting |
| JMAC | Japanese Management Association Consultants |
| JMAC | Japanese Managemnet Association Consultants |
| JMAJ | Japan Medical Association Journal |
| JMAT | Judges and Magistrates Association Tanzania |
| JMBA | Journal of the Marine Biological Association |
| JMCA | Japan Motorcycle Accessories Association |
| JMDA | Jamaica Medical Doctors Association |
| JMDA | Japan Muscular Dystrophy Association |
| JMLA | Japanese Mexican Labor Association |