| Acronym | Definition |
|---|
| HHTA➣Hitachi High Technologies America |
| HHTA➣Hocking Hills Tourism Association (Ohio) |
| HHTA➣Home Health Therapy / Attachment |
| HHTA➣Hiland Hall Turner Architects (Bernardsville, New Jersey) |
| HHTA➣Harrington Harbour Tourism Association |
| HHTA➣Harvard Hall Tenants Association |
| HHTA➣hold hash table address |