| Acronym | Definition |
|---|
| HBT | Heterojunction Bipolar Transistor |
| HBT | Hyperbolic Tree |
| HBT | HyCult Biotechnology (Uden, The Netherlands) |
| HBT | Hanbury-Brown-Twiss (interferometer) |
| HBT | Hunters Bog Trotters (running club; Scotland, UK) |
| HBT | Home Business Tips (ezine) |
| HBT | Homosexual, Bisexual, Transgender (sexual orientation) |
| HBT | Holistic Body Training (UK) |
| HBT | Herring Bone Twill |
| HBT | Home Based Transcription |
| HBT | Hand Brake Turn (Australia) |
| HBT | Half Bow-Tie (antenna type) |
| HBT | Heflex Bioengineering Test |
| HBT | Hostage Barricade Team (police) |
| HBT | How 'Bout That |
| HBT | Holy Bible Trivia (game) |
| HBT | Hypothesis-Based Testing (software cleanliness methodology) |
| HBT | Home Brew Talk (website) |
| HBT | Houston Belt and Terminal Railway Company (also abbreviated as HB&T) |
| HBT | Hitit Bilgi Teknolojileri (Turkey) |
| HBT | Hoverboat |
| HBT | Hardball Talk (baseball; (National Broadcasting Company) |