RISA
| Acronym | Definition |
|---|---|
| RISA | Racing Information Services Australia (thoroughbred racing industry) |
| RISA | Regional Integrated Sciences and Assessments (US NOAA) |
| RISA | Rapid Interactive Structural Analysis (structural engineering software) |
| RISA | Radioactive Iodinated Serum Albumin |
| RISA | rDNA Internal Spacer Analysis |
| RISA | Radioimmunosorbent Assay |
| RISA | Reduced Instruction Set Architecture |