| Acronym | Definition |
|---|
| BTAC | Branch Target Address Cache |
| BTAC | Bicycle Trade Association of Canada |
| BTAC | Business Tax Advisory Committee (various locations) |
| BTAC | Business Training Associates Centre (UK) |
| BTAC | Brigade de Transmissions et d'Appui au Commandement (French: Transmissions and Command Support Brigade) |
| BTAC | Basic Technical Architecture Concept (various companies) |
| BTAC | Bengal Tiger Aquatic Club (swimming) |
| BTAC | Business Threat Awareness Council |
| BTAC | Border Trade Advisory Committee (Texas) |
| BTAC | Beaucaire Tarascon Aquatic Club (France) |