| Acronym | Definition |
|---|
| BTSD | Buddhist Temple of San Diego (California) |
| BTSD | Basic Training for Skills Development |
| BTSD | Block Tool Super Deluxe (computing) |
| BTSD | Buckeye Tang Soo Do (Columbus, Ohio) |
| BTSD | Bristol Township School District (Levittown, PA) |
| BTSD | Bluefin Tuna Statistical Document |
| BTSD | Beyond the Screen Door, Inc. |
| BTSD | Back-To-School-Diet |
| BTSD | Bristol Township Sewer Department |
| BTSD | Back to School Day |
| BTSD | Bernards Township School District (Basking Ridge, NJ) |
| BTSD | Bleaching Tolerability Severity Days |
| BTSD | Business and Technical Services Department (Singapore) |
| BTSD | Beware the Solitary Drinker (Tom Lahane book) |
| BTSD | Base Transceiver Station Desensitization |
| BTSD | Banked Time Staff Development |
| BTSD | Bethel-Tate Local School District (Ohio) |
| BTSD | Bainha Tendinea Sinovial Digital |
| BTSD | Battle Training and Simulation Department (US Army) |
| BTSD | Back-To-School Drive |
| BTSD | Business Telephone Systems Division |
| BTSD | Barnegat Township School District (Barnegat, NJ) |
| BTSD | Behind the Screen Door (podcast) |