- Meares
- Mecca
- Medford Island
- Meeks Bay
- Meiners Oaks
- Meiners Oaks Trailer Park
- Meins Landing
- Meiss
- Melbourne
- Mello
- Meloland
- Melones
- Melones Sunset Lake Estates
- Melsons Corner
- Melvin
- Mendenhall Springs
- Mendocino
- Mendota
- Menifee
- Menlo Baths
- Menlo Oaks
- Menlo Park
- Mentone
- Merazo
- Merced
- Merced Falls
- Mercey Hot Springs
- Mercuryville
- Meridian
- Meridian