| Acronym | Definition |
|---|
| MTB | Mountain Bike |
| MTB | Mycobacterium Tuberculosis (also seen as MBT) |
| MTB | Making The Band (TV show) |
| MTB | Midfield Terminal Building (United Arab Emirates) |
| MTB | Motor Torpedo Boat |
| MTB | Marshall Tucker Band |
| MTB | Master the Boards (resource) |
| MTB | Mexico Tourism Board |
| MTB | Meant to Be |
| MTB | Micro Tool Box |
| MTB | Mono Transit Buffer |
| MTB | Managed Tape Backup |
| MTB | Miscellaneous Tariff Bill (trade law) |
| MTB | Minus The Bear (band) |
| MTB | Main Terminal Building |
| MTB | Mozilla Thunderbird (email client) |
| MTB | Michigan Talent Bank |
| MTB | Meet the Beatles (Beatles album) |
| MTB | Mineral Titles Branch (Canada) |
| MTB | Mission Training Brief (military instructions) |
| MTB | Machine Tool Builder |
| MTB | Materials Transportation Bureau (DOT) |
| MTB | Mount Burgess Mining NL |
| MTB | Mum to Be |
| MTB | Materials Testing Branch (US NASA) |
| MTB | Mineral Technology Branch (CANMET) |
| MTB | Missile Torpedo Boat (Norway) |
| MTB | Motion Tracked Binaural Sound (acoustics) |
| MTB | Machine to Balance (automotive engineering) |
| MTB | Maximum Therapeutic Benefit (treatment plateau) |
| MTB | Maintenance of True Bearing |
| MTB | Mountain/Trials Bike |
| MTB | Magnetic Torque Bar |
| MTB | Message Transport Binder |
| MTB | Mid-Amble Transmission Burst |
| MTB | Multi-Terminal Binning |
| MTB | Maintenance Training Bay |