| Acronym | Definition |
|---|
| HACT➣Housing Associations' Charitable Trust (London, UK) |
| HACT➣Harmonized Approach to Cash Transfer (UN) |
| HACT➣Helicopter Active Control Technology |
| HACT➣Heterojunction Acoustic Charge Transport |
| HACT➣Hearst-Argyle Capital Trust (finance) |
| HACT➣Human-Automation Collaboration Taxonomy (MIT research project) |
| HACT➣Highly Accelerated Corrosion Testing |