- Maceo
- Mackville
- Madisonville
- Magnolia
- Manchester
- Manitou
- Manor Creek
- Marion
- Marrowbone
- Martin
- Maryhill Estates
- Masonville
- Massac
- Mayfield
- Mayking
- Mays Lick
- Maysville
- Maytown
- McCarr
- McHenry
- McKee
- McRoberts
- Meadow Vale
- Meadowbrook Farm
- Meadowview Estates
- Meads
- Melbourne
- Mentor
- Middlesboro
- Middletown
- Midway
- Millersburg
- Millstone
- Milton
- Mockingbird Valley
- Monterey
- Monticello
- Monticello
- Moorland
- Morehead
- Morehead
- Morganfield
- Morgantown
- Mortons Gap
- Mount Olivet
- Mount Sterling
- Mount Vernon
- Mount Vernon
- Mount Washington
- Muldraugh
- Munfordville
- Murray
- Murray Hill
