| Acronym | Definition |
|---|
| MTCA➣Model Toxics Control Act |
| MTCA➣Micro Telecommunications Computing Architecture (also seen as MicroTCA) |
| MTCA➣Medium Term Conflict Alert (air traffic management) |
| MTCA➣Ministry of Transport and Civil Aviation (UK) |
| MTCA➣Military Training Camps Association |
| MTCA➣Minimum Terrain Clearance Altitude |
| MTCA➣Musical Theatre College Auditions (audition preparation classes) |