- Manhasset Hills
- Manlius
- Mannsville
- Manorhaven
- Manorville
- Marcellus
- Margaretville
- Mariaville Lake
- Marlboro
- Massapequa
- Massapequa Park
- Massena
- Mastic
- Mastic Beach
- Matinecock
- Mattituck
- Mattydale
- Maybrook
- Mayville
- McGraw
- Mechanicstown
- Mechanicville
- Medusa
- Melville
- Menands
- Merrick
- Middle Island
- Middleburgh
- Middleville
- Mill Neck