SIRO
| Acronym | Definition |
|---|---|
| SIRO | Senior Information Risk Owner (UK) |
| SIRO | Scientific and Industrial Research Organization (India) |
| SIRO | Service in Random Order (queuing theory) |
| SIRO | Software Inspection and Review Organization (Sunnyvale, CA) |
| SIRO | Simultaneous Intersecting Runway Operation (aviation; Transport Canada) |