- Maaoupe
- Macclesfield
- Macdonald Park
- Macgillivray
- Magarey
- Magdalla
- Maggea
- Magill
- Magill North
- Magill South
- Maitland
- Makin
- Malinong
- Mallala
- Malpas
- Maltee
- Malvern
- Mambray Creek
- Mangalo
- Manna Hill
- Mannanarie
- Manningham
- Mannum
- Manoora
- Mansfield Park
- Mantung
- Marama
- Marananga
- Marble Hill
- Marcollat
- Marden
- Marino
- Marion
- Marion Bay
- Markaranka
- Marks Landing
- Marla
- Marleston
- Marola
- Marrabel
- Marree
- Marryatville
- Maryvale
- Maslin Beach
- Matta Flat
- Maude
- Mawson Lakes
- Mayfield
- Maylands
- Mcbean Pound
- Mccallum
- Mccracken
- Mcharg Creek
- Mclaren Flat
- Mclaren Vale
- Meadows
- Medindie
- Medindie Gardens
- Melrose
- Melrose Park
- Melton
- Meningie
- Meningie East
- Meningie West
- Menzies
- Mercunda
- Merghiny
- Meribah
- Merriton
- Merty Merty
- Middle Beach
- Middle River
- Middleton
- Midgee
- Mil-lel
- Milang
- Mile End
- Mile End South
- Milendella
- Millbrook
- Millicent
- Millswood
- Miltalie
- Mimili
- Minbrie
- Minburra
- Mindarie
- Mingary
- Mingbool
- Minlaton
- Minnipa
- Mintabie
- Mintaro
- Minvalara
- Miranda
- Mitcham
- Mitcham Shopping Centre
- Mitchell
- Mitchell Park
- Mitchellville
- Moana
- Mobilong
- Moculta
- Modbury
- Modbury Heights
- Modbury North
- Moerlong
- Monarto
- Monarto South
- Monash
- Monbulla
- Mongolata
- Montacute
- Montarra
- Monteith
- Moockra
- Moody
- Moolawatana
- Moonta
- Moonta Bay
- Moonta Mines
- Moorak
- Moorlands
- Moorook
- Moorook South
- Moorundie
- Mootatunga
- Moppa
- Morchard
- Morgan
- Morn Hill
- Morphett Vale
- Morphetts Flat
- Morphettville
- Moseley
- Mosquito Hill
- Mount Barker
- Mount Barker Junction
- Mount Barker Springs
- Mount Barker Summit
- Mount Benson
- Mount Bryan
- Mount Bryan East
- Mount Burr
- Mount Charles
- Mount Compass
- Mount Cooper
- Mount Crawford
- Mount Damper
- Mount Drummond
- Mount Dutton Bay
- Mount Gambier
- Mount Gambier East
- Mount Gambier West
- Mount George
- Mount Hope
- Mount Jagged
- Mount Joy
- Mount Light
- Mount Lofty
- Mount Magnificent
- Mount Mary
- Mount Mcintyre
- Mount Mckenzie
- Mount Observation
- Mount Osmond
- Mount Pleasant
- Mount Schank
- Mount Templeton
- Mount Torrens
- Mount Wedge
- Moyhall
- Mudamuckla
- Mulgundawa
- Mullaquana
- Mundallio
- Mundic Creek
- Mundoo Island
- Mundoora
- Mundulla
- Mundulla West
- Munno Para
- Munno Para Downs
- Munno Para West
- Murbko
- Murdinga
- Murlong
- Murrawong
- Murray Bridge
- Murray Bridge East
- Murray Bridge North
- Murray Bridge South
- Murray Town
- Murtho
- Muston
- Mylor
- Mypolonga
- Myponga
- Myponga Beach
- Myrtle Bank