| Acronym | Definition |
|---|
| SPIRAL | Selected Patient Information Resources in Asian Languages (Tufts University) |
| SPIRAL | Scientific and Public Involvement in Risk Allocations Laboratory (research group; Belgium) |
| SPIRAL | Service Pédagogique Interuniversitaire de Ressources pour l'Autoformation en Langues (French: Interuniversity Educational Service Resources for Language Self-Study) |
| SPIRAL | Surface Photometry Interactive Reduction and Analysis Library (Japan) |
| SPIRAL | Society of Pagans Invested in Reviving Ancient Lifestyles (Iowa) |