| Term | Full Form | Category |
|---|---|---|
| JJI | Jac Jacobsen Industries | Others |
| JJI | Jac. Jacobsen Industries, Incorporated | Others |
| JJI | Janine Just Inc | Others |
| JJI | Jim Jess Implements | Others |
| JJI | Jiu Jitsu International | Others |
| JJI | John Jay Institute | Others |
| JJI | Juanjui, Peru | Others |
| JJI | Juvenile Justice Initiative | Others |
| JJI | Juvenile Justice Institute | Others |
| JJI | Shanghai JinJiang Inn Investment and Management Company, LTD | Others |