| HBT | Hafr Albatin, Saudi Arabia 
| Others |
| HBT | Hanbury Brown Twiss
| Others |
| HBT | Hanbury Brown-Twiss
| Others |
| HBT | Hand Brake Turn
| Others |
| HBT | Hanging Band Training
| Others |
| HBT | Happy Beyond Temptation
| Others |
| HBT | Headlamp Beam Tester
| Others |
| HBT | Heartland Bank and Trust
| Others |
| HBT | Heather Bohm Tallman
| Others |
| HBT | Heflex Bioengineering Test
| Others |
| HBT | Herringbone Twill
| Others |
| HBT | Heterojunction Bipolar Transistor
| Others |
| HBT | Heterojunction Bipolar Transistors
| Others |
| HBT | High beta Tokamak
| Others |
| HBT | Hit By Truck
| Others |
| HBT | Holding Back Tears
| Others |
| HBT | Hollywood Beautification Team
| Others |
| HBT | Holy Bible Trivia
| Others |
| HBT | Home Base Time
| Others |
| HBT | Home Brew Talk
| Others |
| HBT | Homosexual Bisexual and Transsexual
| Others |
| HBT | Horizons in Biblical Theology
| Others |
| HBT | Hostage Barricade and Terrorist
| Others |
| HBT | Hostage Barricade Terrorism
| Others |
| HBT | Houston Belt and Terminal Railway
| Others |
| HBT | How Bout That
| Others |
| HBT | Huge Basketball Tummy
| Others |
| HBT | Human Brain Transcriptome
| Others |
| HBT | Hydrogen Breath Test
| Others |
| HBT | Hyperbolic Tree
| Others |