- Manila
- Manix
- Mankas Corner
- Manlove
- Manteca Junction
- Manuel Mill
- Manzana
- Manzanar
- Manzanita
- Manzanita
- Manzanita Lake
- Maple Creek
- Maple Grove
- Marble Place
- Marcel
- March Air Force Base
- March Field
- March Rock
- Marchant
- Marconi
- Mare Island
- Maredith Mill
- Marian Place
- Mariana Ranchos
- Mariemont
- Marin City
- Marine Terrace
- Marinwood
- Mark West Springs
- Marklee Village