| Abbreviation | Definition |
|---|---|
| MAAM | Mid-Atlantic Air Museum |
| MAAM | Mid-Atlantic Association of Museums |
| MAAM-SIM | Mid Atlantic Air Museum Simulations Group |
| MAAM-SIM | Museo de Arte Americano de Maldonado |
| MAAT | Museum of Art Architecture and Technology |
| MACAM | Modern and Contemporary Art Museum |
| MAD | Museum Accessibility Demonstration |
| MAD | Museum of Arts and Design |
| MADE | Museum of Art and Digital Entertainment |
| MAG | Manhattan Art Gallery |
| MAH | Museum of Art and History |
| MAHD | Museums Arts and Humanities Division |
| MAK | Museum für angewandte Kunst |
| MAM | Miami Art Museum |
| MAM | Milwaukee Art Museum |
| MAM | Missoula Art Museum |
| MAM | Montclair Art Museum |
| MAMM | Multimedia Art Museum Moscow |
| MAMM | Multimedia Art Museum, Moscow |
| MAPS | Manx Aviation Preservation Society |