JII
| Acronym | Definition |
|---|---|
| JII | Journey Into Imagination (Disney ride) |
| JII | JPMorgan Indian Investment Trust PLC |
| JII | Joint Interagency Installation (Pennsylvania) |
| JII | Jupiter II (ship on "Lost In Space" TV series) |
| JII | Jarrow Industries, Inc. (Santa Fe Springs, CA) |
| JII | Joint Integration Interface |