Barrios de Ohio M
- Madison Mills (3)
- Madisonville (28)
- Mahoning Commons (1)
- Maize-Morse (11)
- Malvern-Mercer (26)
- Marble Cliff Crossing (6)
- Marion Franklin (4)
- McCook Field (3)
- McGuffey Heights (1)
- Mckinley Monument (1)
- McPherson (1)
- Meadow Grove (2)
- Medway/Enon (2)
- Merion Village (15)
- Merriman Valley (9)
- Meyers Lake (2)
- Miami Chapel (1)
- Miamisburg/Moraine (20)
- Middlebury (8)
- Midtown Cleveland (13)
- Milbrook (2)
- Mill Run (3)
- Milo-Grogan (9)
- Misty Meadows (1)
- Monfort Heights (1)
- Monfort Heights East (1)
- Monfort Heights South (2)
- Montgomery (7)
- Monticello-Noble (22)
- Mount Adams (4)
- Mount Airy (17)
- Mount Auburn (43)
- Mount Carmel (4)
- Mount Healthy Heights (2)
- Mount Lookout (6)
- Mount Pleasant (39)
- Mount Vernon (1)
- Mount Vernon (4)