| 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) |