- Macedon
- Machias
- Madison
- Madrid
- Mahopac
- Malden
- Malden-on-Hudson
- Malone
- Malverne
- Malverne Park Oaks
- Mamaroneck
- Manchester
- Manhasset
- Manhasset Hills
- Manhattan
- Manlius
- Mannsville
- Manorhaven
- Manorville
- Maple Ski Ridge
- Marathon
- Marbletown
- Marcellus
- Margaretville
- Mariaville Lake
- Mariners Harbor
- Marion
- Marlboro
- Maspeth
- Massapequa
- Massapequa Park
- Massena
- Mastic
- Mastic Beach
- Matinecock
- Mattituck
- Mattydale
- Maybrook
- Mayfield
- Mayville
- McCauley Mountain Ski Center
- McGraw
- McKownville
- Mechanicstown
- Mechanicville
- Medford
- Medina
- Medusa
- Melrose
- Melrose Park
- Melville
- Menands
- Meridian
- Merrick
- Merritt Park
- Mexico
- Middle Island
- Middle Village
- Middleburgh
- Middleport
- Middleport
- Middletown
- Middleville
- Midland Beach
- Milford
- Mill Neck
- Millbrook
- Miller Place
- Millerton
- Millport
- Milton
- Milton
- Mineola
- Minetto
- Mineville
- Minoa
- Mohawk
- Monroe
- Monsey
- Montebello
- Montgomery
- Monticello
- Montour Falls
- Montrose
- Mooers
- Moravia
- Moriches
- Morningside Heights
- Morris
- Morris Heights
- Morris Park
- Morrisania
- Morrisonville
- Morristown
- Morrisville
- Mott Haven
- Mount Ivy
- Mount Kisco
- Mount Morris
- Mount Peter
- Mount Sinai
- Mountain Lodge Park
- Munnsville
- Munsey Park
- Munsons Corners
- Muttontown
- Myers Corner
