MUMM
| Acronym | Definition |
|---|---|
| MUMM | Maritimers Unite for Medical Marijuana (Canada) |
| MUMM | Management Unit of the Mathematical Models of the North Sea (Belgium) |
| MUMM | Management Unit of the North Sea Mathematical Models and the Scheldt Estuary (Royal Belgian Institute of Natural Sciences) |
| MUMM | Manufacturers and Users of M-Modules (group promoting standard modular PCB connectors) |
| MUMM | Midrange Users of Mid-Michigan (information technology) |
| MUMM | Miss You Much More |