Cities in Franklin County, United States ( 250 )
- Merrick, New York
- Merrifield, Virginia
- Midway City
- Milford, Iowa
- Milton-Freewater
- Mineola, New York
- Mission Viejo
- Mocksville
- Moss Point
- Mount Vernon, Virginia
- Munsey Park
- Muttontown
- New Cassel
- New Hyde Park
- Newington, Virginia
- Newport Beach
- North Bellmore
- North Hills, New York
- North Massapequa
- North Merrick
- North New Hyde Park
- North Springfield, Virginia
- North Tustin
- North Valley Stream
- North Wantagh
- Oak Hill, Virginia
- Oakton, Virginia
- Ocean Springs
- Oceanside, New York
- Old Bethpage
- Old Westbury
- Orange, California
- Ottawa, Kansas
- Owensboro
- Oyster Bay, New York
- Paddock Lake