| Acronym | Definition |
|---|
| ACTIVE | Atrial Fibrillation Clopidogrel Trial with Irbesartan for Prevention of Vascular Events |
| ACTIVE | Aerosol and Chemical Transport in Tropical Convection (Natural Environment Research Council; UK) |
| ACTIVE | Advanced Controls Technology for Integrated Vehicles |
| ACTIVE | Achieving Competitiveness Through Innovation and Value Enhancement (Engineering Construction Industry Training Board; UK) |
| ACTIVE | Action for Collective Tribal Improvement and Vocational Education (Andhra Pradesh, India) |
| ACTIVE | A Vision/Radar/Weapon System With Detectable Emissions |
| ACTIVE | Association for Community Training and Initiative Voluntary Education (Pakistan) |