| 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) |