OASYS
| Acronym | Definition |
|---|---|
| OASYS | Open Architecture System |
| OASYS | Open Architecture Synthesis Studio |
| OASYS | Open Architecture Synthesis Studio (Korg) |
| OASYS | Office Automation System |
| OASYS | Online Automated System |
| OASYS | Orbit Analysis System |
| OASYS | Obstacle Avoidance System |
| OASYS | Open Architecture System (advanced aviation system development) |
| OASYS | Ontario Assessment System (Government of Ontario, Canada) |
| OASYS | Operability Assessment System |
| OASYS | Operator Assist System |