| Abbreviation | Definition |
|---|---|
| MNAN | Minnesota Angel Network |
| MNCA | Model Nonprofit Corporation Act |
| MNDA | Motor Neurone Disease Association |
| MNGFF | Michigan National Guard Family Fund |
| MNN | Massachusetts Nonprofit Network |
| MNN | Missouri Nutrition Network |
| MNO | Master of Nonprofit Organization |
| MNO | Master Of Nonprofit Organizations |
| MNP | Medically Needy Program |
| MNP | Michigan Neighborhood Partnership |
| MNS | Musculus Nutrix Societas |
| MNSG | Midwest Narcolepsy Support Group |
| MOA | Military Officers Association |
| MOA | Mothers Of Asthmatics |
| MOAA | Military Officers Association of America |
| MOAASF | Military Officers Association of America Scholarship Fund |
| MOAI | Mothers Of Asthmatics, Inc. |
| MOBB | Mothers Outraged By Bullying |
| MOC | Militare Ordine del Collare |
| MOC | Military Order of the Cootie |