- Mas Old Field Landing
- Mascot
- Mason Estates
- Masons Cross Road
- Mathais Crossroads
- Mathews Heights
- Mathews Village
- Mathis Corner
- Maud
- Mauldin
- May Hilltop
- Maybinton
- Mayesville
- Mayesville East Subdivision
- Mayfair
- Mayfield Acres
- Maynards
- Mayo
- Mayo Mills
- Mayson Crossroads
- Maysville
- McBee
- McCalls Corner
- McCaskill
- McCellanville
- McClellanville
- McColl
- McCombs
- McConnells
- McCormick