SOIA
| Acronym | Definition |
|---|---|
| SOIA | Sick of It All (band) |
| SOIA | Security of Information Act of 2003 (Canada) |
| SOIA | Simultaneous Offset Instrument Approach (FAA) |
| SOIA | Symposium on Intelligent Algorithms |
| SOIA | System for the Observation of and Information on the Alps (various locations) |
| SOIA | Serous Oligocystic and Ill-Demarcated Adenoma (tumors) |