| HACT | Halesworth Area Community Transport 
| Others |
| HACT | Harmonised Approach to Cash Transfer
| Others |
| HACT | Harmonised Approach to Cash Transfers
| Others |
| HACT | Harmonized Approach to Cash Transfers
| Others |
| HACT | Helicopter Active Control Technology
| Others |
| HACT | Helicopter Active Controls Technology
| Others |
| HACT | Hellenic American Chamber of Tourism
| Others |
| HACT | Heterojunction Acoustic Charge Transport
| Others |
| HACT | Highly Accelerated Corrosion Testing
| Others |
| HACT | Hillcrest Aids Centre Trust
| Others |
| HACT | Historical Administrative Code Table
| Others |
| HACT | Hiv Aids Core Team
| Others |
| HACT | HIV and AIDS Core Team
| Others |
| HACT | Housing Association Charitable Trust
| Others |
| HACT | Housing Associations Charitable Trust
| Others |
| HACT | Howa Actuator Controlled Trigger
| Others |
| HACT | Huntingdonshire Association for Community Transport
| Others |