| Acronym | Definition |
|---|
| MCMA➣Mass Communication and Media Arts (College of Southern Illinois University Carbondale) |
| MCMA➣Mexico City Metropolitan Area |
| MCMA➣Manitoba Country Music Association (Canada) |
| MCMA➣Murrumbidgee Catchment Management Authority (est. 2004; New South Wales, Australia) |
| MCMA➣Modified Constant Modulus Algorithm |
| MCMA➣Mono-Chorionic Mono-Amniotic (twins) |
| MCMA➣Marin County Motorcycle Association (Novato, CA) |