| Acronym | Definition |
|---|
| MTBA | Mean Time Between Assists |
| MTBA | Mount Bachelor Academy (Prineville, OR) |
| MTBA | Mississauga Technology Business Accelerator (Canada) |
| MTBA | Manila Tenpin Bowling Association (Philippines) |
| MTBA | Malta Tenpin Bowling Association |
| MTBA | Migratory Bird Treaty Act of 1918 |
| MTBA | Multi-Transport Bonding Architecture |
| MTBA | Metro Tulsa Baseball Association (Oklahoma) |
| MTBA | Monroe Township Baseball Association (Mechanicsburg, PA) |
| MTBA | Mean Time Between Alarm |
| MTBA | Mountain Bike Association of Australia |
| MTBA | Mountain Top Business Alliance (Mountain Top, PA) |
| MTBA | Mission Trail Bowhunters Association (Prunedale, CA) |
| MTBA | Melbourne Tenpin Bowling Association (Melbourne, Australia) |
| MTBA | Master Tailors' Benevolent Association (UK) |
| MTBA | Massachusetts Thoroughbred Breeders Association (Burlington, MA) |
| MTBA | Mean Time Between Accidents |
| MTBA | Montreal Tenpin Bowling Association |
| MTBA | Montana Bow and Arrow (hunting license) |
| MTBA | Medical Transportation Brokerage of Arizona (Phoenix, AZ) |
| MTBA | Modified Tight Binding Approximation |
| MTBA | Mean Time Between Assistance |