| Abbreviation | Definition |
|---|---|
| BSWI | Baradrone Social Welfare Institution |
| BTFI | Bit Trade Forex Institute |
| BTI | Bahrain Training Institute |
| BTI | Bayview Tutorial Institute |
| BTI | Berkeley Therapy Institute |
| BTI | Berks Technical Institute |
| BTI | Bethlehem Tertiary Institute |
| BTI | Beverage Testing Institute |
| BTI | Bible Training Institute |
| BTI | Body Therapy Institute |
| BTI | Boyce Thompson Institute |
| BTI | Breakthrough Technologies Institute |
| BTIB | Baptist Theological Institute of Bucharest |
| BTIS | Brief Therapy Institute of Sydney |
| BTRI | Blockchain Technology Research Institute |
| BTVI | Bahamas Technical Vocational Institute |
| BUEI | Bermuda Underwater Exploration Institute |
| BUIE | Bankura Unnayani Institute of Engineering |
| BUIED | BRAC University Institute of Education and Development |
| BUTI | Boston University Tanglewood Institute |