MTCA
| 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) |