- Millbrook
- Miller Place
- Millerton
- Millport
- Mineola
- Minetto
- Minoa
- Mohawk
- Monsey
- Montauk
- Montour Falls
- Mooers
- Moravia
- Moriches
- Morris
- Morrisonville
- Mount Ivy
- Mount Kisco
- Mount Morris
- Mount Sinai
- Mount Vernon
- Munnsville
- Munsey Park
- Munsons Corners
- Muttontown
- Myers Corner
- M And K Mobile Home Park
- Mabbettsville
- MacDonnell Heights
- MacDougall