| Abbreviation | Definition |
|---|---|
| MHAN | Mental Health and Addiction Nurses |
| MHAN | Mental Health and Addictions Nurses |
| MHAN | Mental Health and Addictions Nursing |
| MHN | Mental Health Nurse |
| MHN | Mental Health Nursing |
| MICN | Mobile Intensive Care Nurse |
| MINNZ | Medical Imaging Nurses New Zealand |
| MLN | Missouri League for Nursing |
| MLNA | Missouri Landscape and Nursery Association |
| MN | Master of Nursing |
| MNA | Maryland Nurses Association |
| MNA | Medication Nursing Assistant |
| MNA | Mississippi Nurses Association |
| MNA | Mississippi Nurses' Association |
| MNA | Montana Nurses Association |
| MNC | Maharashtra Nursing Council |
| MNE | Master in Nursing Education |
| MNLA | Maryland Nursery and Landscape Association |
| MNLA | Maryland Nursery Landscape Association |
| MNLA | Massachusetts Nursery and Landscape Association |