| Abbreviation | Definition |
|---|---|
| IZA | International Zeolite Association |
| JAAA | Japan Advertising Agencies Association |
| JAACC | Japan Academic Association for Copyright Clearance |
| JACG | Japanese Association for Crystal Growth |
| JADA | Japanese Art Dealers Association |
| JAIMA | Japan Analytical Instruments Manufacturers' Association |
| JAMS | Japanese Association of Medical Sciences |
| JASO | Japanese Automotive Standards Organization |
| JATI | Jakarta Art Teachers and I |
| JBI | Just Beat It |
| JBN | Jewish Business Network |
| JBT | Jewelers Board of Trade |
| JCA | Japanese Chiropractic Association |
| JCA | Jewelry Crafts Association |
| JCAHO | Joint Commission for Accreditation of Healthcare Organization |
| JCBA | Jersey County Business Association |
| JCE | Joint Council on Education |
| JDQ | Journées Dentaires du Québec |
| JEBA | Jordanian European Business Association |
| JEDC | Jacksboro Economic Development Corporation |