THAC
| Acronym | Definition |
|---|---|
| THAC | Thomas Hassall Anglican College (Australia) |
| THAC | Town Hall Arts Center (Littleton, CO) |
| THAC | Troy Has a Camera |
| THAC | The Hamilton and Alexandra College (Australia) |
| THAC | Transgender Health Action Coalition (Philadelphia, PA) |
| THAC | Toronto Haiti Action Committee (Canada) |
| THAC | The Health Arts College (Australia) |
| THAC | The Health Awareness Centre (India; est. 1989) |
| THAC | Triple-Helix Affinity Chromatography (DNA) |