| Acronym | Definition |
|---|
| CAOS | Chemical Analysis Of Samples |
| CAOS | Computer-Assisted Orthopaedic Surgery |
| CAOS | Chicago Academy of Sciences (Illinois; also seen as CHIAS) |
| CAOS | Computer Architecture Operating System |
| CAOS | Commercial Adoption of Open Source (The 451 Group service) |
| CAOS | Center for Atmosphere Ocean Sciences (New York University, New York) |
| CAOS | Creatures Agent/Object Scripting (Creatures gaming scripting language) |
| CAOS | Combined Automated Operations System (US Customs and Border Protection) |
