| Acronym | Definition |
|---|
| ARIS | American Religious Identification Survey |
| ARIS | Arabic and Islamic Studies (various schools) |
| ARIS | Advanced Reagent Injector System |
| ARIS | Aggregate Route Ip Switching |
| ARIS | Architecture of Integrated Information Systems |
| ARIS | Active Rack Isolation System |
| ARIS | Adaptive Resolution Imaging Sonar |
| ARIS | Aggregate Route-based IP Switching |
| ARIS | Anti Resonance Isolation System (helicopters) |
| ARIS | Anti-Racism Information Service (Switzerland) |
| ARIS | Agentia Romana pentru Investitii Straine (Romanian Agency for Foreign Investment) |
| ARIS | Attack Registry Intelligence Service (SecurityFocus.com) |
| ARIS | Academic Research Information System |
| ARIS | Advanced Range Instrumentation Ship |
| ARIS | Audichron Recorded Information System |
| ARIS | Advanced Radioisotope Identification System |
| ARIS | Access Request Information System |
| ARIS | Advanced Ranger Instrumentation Ship |
| ARIS | Automated Reactor Inspection System |
| ARIS | Automatic Recording Infrared Spectrometer |
| ARIS | Atmospheric Research and Instrumentation System |
| ARIS | Activity Reporting Information System |
| ARIS | Agrarian Russian Information System (Russian Ministry of Agriculture) |
| ARIS | Access Rating and Information Systems, Inc (Rancho Cucamonga, CA) |