| Acronym | Definition |
|---|
| ARRI➣Arnold & Richter (motion picture camera equipment manufacturer) |
| ARRI➣Appalachian Regional Reforestation Initiative |
| ARRI➣Arrival At Destination (rail car event movement code) |
| ARRI➣Autism Research Review International |
| ARRI➣Automation & Robotics Research Institute |
| ARRI➣Animal Reproduction Research Institute |
| ARRI➣Albironi Reconstruction & Rehabilitation Institute |