| Acronym | Definition |
|---|
| MMSD➣Madison Metropolitan School District (Wisconsin) |
| MMSD➣Ministry of Mines and Steel Development (Nigeria) |
| MMSD➣Mining, Minerals and Sustainable Development (International Institute for Environment and Development) |
| MMSD➣Milwaukee Metropolitan Sewage District |
| MMSD➣Minerals and Mining Statistics Division (MMS Canada) |
| MMSD➣Metric Mapping Support Data |
| MMSD➣Mass Memory Storage Device |
| MMSD➣Manpower & Management Services Division |