M
- Mt. Pleasant
- Mt. Caramel Junction
- Mount Emmons
- (Clay County) Mack
- (Clay County) Malone
- (Choctaw County) Mammoth
- (Choctaw County) Mammoth Junction
- (Covington County) Manti Canyon Summer Homes
- (Clay County) Maple Grove
- (Bibb County) Martin Utah
- (Clay County) McCornick
- (Choctaw County) McIntyre
- (Escambia County) Middleton
- (DeKalb County) Mill Fork
- (Boone County) Mohrland
- (Boone County) Molen
- (Chambers County) Monte Cristo Island
- (Escambia County) Motoqua
- (Clarke County) Mount Carmel Junction
- (Clarke County) Mount Carmel Trailer Park
- (Arkansas County) Murdock
- (Cleburne County) Milton
- (Ashley County) Madsen
- (Conecuh County) Magna Addition
- (Conecuh County) Magna Manors
- (Conecuh County) Magna Mill
- (Fayette County) Main Point Condominium
- (Conecuh County) Majestic Acres
- (Conecuh County) Majestic Canyon Estates
- (Conecuh County) Majestic Grove