| Acronym | Definition |
|---|
| MCTA | Montgomery County Tennis Association |
| MCTA | Microbial Content Test Agar (microbiology) |
| MCTA | Maine Christmas Tree Association |
| MCTA | Mahoning and Columbiana Training Association (Ohio) |
| MCTA | Michigan Cable Telecommunications Association |
| MCTA | Malaria Clinical Trials Alliance |
| MCTA | Maryland Combined Training Association |
| MCTA | Monterey County Theatre Alliance |
| MCTA | Maryland Christmas Tree Association |
| MCTA | Missouri Cable Telecommunications Association |
| MCTA | Monte Carlo Tennis Academy (Monaco) |
| MCTA | Mason County Transportation Authority |
| MCTA | Martin County Taxpayers Association |
| MCTA | Mulligan Concept Teacher's Association |
| MCTA | Minnesota Christmas Tree Association |
| MCTA | Motor City Tennis Alliance (Michigan) |
| MCTA | Mitchell County Transportation Authority (North Carolina) |
| MCTA | Mercer County Trails Association (Mercer County, PA) |
| MCTA | Marine Corps Tankers Association |
| MCTA | Mild Coffee Trade Association (East Africa) |
| MCTA | Midwest Chinese Teachers Alliance |
| MCTA | Minnesota Chauffeured Transportation Association |
| MCTA | Monroe County Taxpayers Association (Indiana) |
| MCTA | Male Clinical Teaching Associate (intimate examination training) |
| MCTA | Mississippi Cable Telecommunications Association |
| MCTA | Michigan Combined Training Association |
| MCTA | Multi-Carrier Traffic Allocation |
| MCTA | Manager Customs and Trade Affairs |
| MCTA | Massachusetts Chemistry and Technology Alliance |
| MCTA | Mattapoisett Community Tennis Association |
| MCTA | Malay College Teacher's Association |
| MCTA | Minnesota Corporate Travel Association |
| MCTA | Midwest Counterdrug Training Center |
| MCTA | Multi-Channel Traffic Awareness |
| MCTA | Mercer County Tournament Association |
| MCTA | Medina County Title Agency, Inc. (Ohio) |
| MCTA | Masters Certificate in Technical Analysis (financial training) |