| Abbreviation | Definition |
|---|---|
| MLN | Museum Loan Network |
| MLSA | Museum and Library Services Act |
| MLSM | Mayville Limestone School Museum |
| MMA | Metropolitan Museum of Art |
| MMA | Monterey Museum of Art |
| MMA | Muskegon Museum of Art |
| MMAA | Minnesota Museum of American Art |
| MMAA | MN Museum Amer Art |
| MMAC | Montana Museum of Art & Culture |
| MMAW | Museum of Modern Art in Warsaw |
| MMC | Machina Museum Committee |
| MMCM | Mid Michigan Children's Museum |
| MMFA | Montgomery Museum of Fine Arts |
| MMFA | Montreal Museum of Fine Arts |
| MMGM | Maine Mineral and Gem Museum |
| MMK | Museum fur Moderne Kunst |
| MMKA | Museum Moderne Kunst Arnhem |
| MMKM | Museum Moderne Kunst Mülheim |
| MMM | Messner Mountain Museum |
| MMMA | Moscow Museum of Modern Art |