Ohio Neighborhoods M
- MacFarlane (1)
- Madeira (1)
- Madison Mills (5)
- Madisonville (31)
- Maize-Morse (12)
- Malvern-Mercer (24)
- Marble Cliff Crossing (6)
- Mariemont (6)
- McCook Field (2)
- McGuffey Heights (1)
- Meadow Grove (1)
- Meadowbrook (1)
- Medway/Enon (3)
- Merion Village (27)
- Merriman Valley (24)
- Meyers Lake (2)
- Miami Chapel (2)
- Miamisburg/Moraine (28)
- Middlebury (6)
- Midtown Cleveland (13)
- Midtown Dayton (5)
- Milbrook (3)
- Mill Run (4)
- Milo-Grogan (4)
- Monfort Heights East (2)
- Monfort Heights South (1)
- Montgomery (9)
- Monticello-Noble (52)
- Mount Adams (14)
- Mount Airy (14)
- Mount Auburn (60)
- Mount Carmel (4)
- Mount Healthy (8)
- Mount Healthy Heights (4)
- Mount Lookout (7)
- Mount Pleasant (53)
- Mount Vernon (1)
- Mount Vernon (1)
- Mount Vernon (6)
- Mount Washington (17)