- Mays
- Mays Bend
- Mays Crossroads
- Maysville
- Maytown
- McAding
- McAdory
- McBrydes
- McCainville
- McCaleb Mill
- McCalla
- McClure
- McClure Town
- McCollum
- McCombs
- McCord Crossroads
- McCoys Island (historical)
- McCulley
- McCulley Creek
- McCulloh
- McCullough
- McDade
- McDonald Chapel
- McDowell
- McDuffie Island
- McElderry
- McEntyre
- McFrey Crossroads
- McGee Town
- McGehees