| Acronym | Definition |
|---|
| BBT | Basal Body Temperature |
| BBT | Bhaktivedanta Book Trust |
| BBT | Big Bang Theory |
| BBT | Branch Bank & Trust (various locations) |
| BBT | Bundesamt für Berufsbildung und Technologie (German: Federal Office for Professional Education and Technology; Switzerland) |
| BBT | Biochemistry and Biotechnology (various schools) |
| BBT | Bleu de Bromothymol (French: Bromothymol Blue; chemistry) |
| BBT | Broad Based Training (UK) |
| BBT | Big Boys Toys |
| BBT | Bubble Tea |
| BBT | Be Back Tomorrow |
| BBT | Browse by Title (index) |
| BBT | Bitches Be Tripping |
| BBT | Bosch Buderus Thermotechnik |
| BBT | Brooklyn Battery Tunnel (New York) |
| BBT | Born before Technology |
| BBT | Brenner Base Tunnel (railway tunnel) |
| BBT | Brethren Benefit Trust (Church of the Brethren financial ministries) |
| BBT | Black Box Testing (system functionality) |
| BBT | Bim Bim Team (sports team; France) |
| BBT | Bare Board Test (circuit boards) |
| BBT | Beijing Boom Tower (China) |
| BBT | Bright Beer Tank |
| BBT | Bulletin des Bio Technologies (French: Bio Technologies Bulletin) |
| BBT | Bujinkan Budo Taijutsu (Japanese Martial Art, Ninjutsu) |
| BBT | Big Brown Truck (slang for United Parcel Service) |
| BBT | Beyond Basic Training (software) |
| BBT | Big Beautiful Teen |
| BBT | Byways and Bridleways Trust (UK) |
| BBT | Bit Block Transfer |
| BBT | Bourg en Bresse Triathlon (Bourg-en-Bresse, France) |
| BBT | Big Biz Tycoon (gaming) |
| BBT | Boing Boom Tschak (song) |
| BBT | Black Ball Transport, Inc. |
| BBT | Bang Bang Team (gaming clan) |
| BBT | Beinn Bhreagh Telecom |
| BBT | Blue Beach Team (gaming clan) |
| BBT | Budget Based Transfer (US Army) |
| BBT | Brass Band de Toulouse (Toulouse, France) |
| BBT | Black Bull Tools |
| BBT | Base Board Test |
| BBT | Basic Broadcast Tier (basic cable) |
| BBT | Butterfly Body Transform |
| BBT | Berry Bigorre Trek (resort; France) |
| BBT | Buc Boxe Team Muay Thaï (French: Buc Muay Thai Boxing Team; Buc, France) |