| Acronym | Definition |
|---|
| SAHA | Suberoylanilide Hydroxamic Acid (HDAC inhibitor) |
| SAHA | South African History Archive (Braamfontein, South Africa) |
| SAHA | South African Hockey Association (field hockey) |
| SAHA | Social and Health Assessment |
| SAHA | Iran Aircraft Industries (Persian) |
| SAHA | Sacramento Area Handball Association |
| SAHA | Stop Autoroute en Haute-Ariège (French: Stop Highway Haute-Ariège; Haute-Ariège, France) |
| SAHA | Southern Alleghenies Hardwood Association |
| SAHA | Student Advisory & Health Administration (Tufts University; Medford, MA) |