- Monson Island
- Mabel
- MacKenzie Island
- Madelia
- Madelia Mobile Village
- Madison
- Madison Lake
- Mae
- Magbee Island
- Magie Island
- Magnet Island
- Magnolia
- Magnusons Island
- Mahkonce
- Mahnomeh
- Mahnomen
- Mahnomen
- Mahnomen Mobile Home Park
- Mahoning
- Mahpiyata Island
- Mahtomedi
- Mahtowa
- Maine
- Makinen
- Malcolm
- Malkerson Island
- Mallard Island
- Mallory
- Malmo
- Malone Island