BTSA
| Acronym | Definition |
|---|---|
| BTSA | Beginning Teacher Support and Assessment |
| BTSA | Brevet de Technicien Supérieur Agricole (French agricultural certification) |
| BTSA | Bonus to Selling Agent |
| BTSA | Backpacker Tourism South Africa |
| BTSA | Benziger Thinking Styles Assessment |
| BTSA | Business Technical Service Assurance (Sprint) |
| BTSA | Behind the Scenes Adventures (tour operator) |
| BTSA | Seaman Apprentice, Boiler Technician Striker (USN Rating) |