M
- Mabee's Corners
- Mabella
- Maberly
- Macassa
- MacBey
- Macdiarmid
- MacDonald Bay
- MacDonald Beach
- MacDonald, Meredith and Aberdeen Additional
- MacDonalds Grove
- MacDowell
- MacDowell Lake
- MacDuff
- Mace
- Macedonian Villiage
- Macedonia Village
- Maceys Bay
- MacGillivrays Bridge
- Machar
- Machin
- Mackenzie
- Mackey
- Mackies
- Macksville
- MacLarens Landing
- MacLaren Wharf
- MacLean Park
- MacLennan
- MacLeod
- MacTier
- Macton
- MacVille
- MacWell
- Madawaska
- Madawaska Valley
- Madigans
- Madoc
- Madsen
- Maecks Subdivision
- Magnetawan
- Magnetawan 1
- Magpie
- Magpie Mine
- Maiangowi Settlement
- Maidens
- Maidstone
- Mainsville
- Mair Mills
- Mair Mills Estates
- Maitland
- Makataewaukawauk
- Makwa
- Malachi
- Malahide
- Malakoff
- Malcolm
- Malden Centre
- Mallet
- Mallorytown
- Mallorytown Landing
- Malone
- Malton
- Malvern
- Malwood
- Mammamattawa
- Manbert
- Manchester
- Mandalane Estates
- Mandaumin
- Manders
- Manhard
- Manilla
- Manion Corners
- Manitou Dock
- Manitou Falls
- Manitoulin, Unorganized, Mainland
- Manitou Rapids 11
- Manitouwadge
- Manitowaning
- Manley
- Mannheim
- Manomin
- Manotick
- Manotick Station
- Mansewood
- Mansfield
- Maple
- Maple Beach
- Maple Corners
- Maplegrove
- Maple Grove
- Maple Grove
- Maple Hill
- Maple Hill
- Maple Hills
- Maple Island
- Maple Lake
- Maple Lake Park
- Maple Lane
- Maple Lawn
- Maple Leaf Acres
- Maple Leaf, Hastings County
- Maple Leaf, Toronto Division
- Maple Park
- Maple Ridge
- Maple Ridge
- Mapleton
- Mapleton
- Maple Valley
- Maple View
- Maplewood
- Mar
- Mara Beach
- Marathon
- Marathon Village
- Marble Rock
- Marburg
- Marchhurst
- Marchmont
- Marden
- Marentette Beach
- Margach
- Margo Lake
- Mariatown
- Marina Estates
- Marina Veilleux
- Marion Lake
- Marionville
- Mariposa Beach
- Markdale
- Markham
- Markland Wood
- Markstay
- Markstay-Warren
- Marlbank
- Marmion
- Marmora
- Marmora and Lake
- Marmora Station
- Marnoch
- Marsdale
- Marshall Bay
- Marshall's Corners
- Marshfield
- Marsh Hill
- Marshville
- Marston
- Marsville
- Martels Corners
- Marten Falls 65
- Marten River
- Marter
- Marthaville
- Martindale Heights
- Martin Farm
- Martins
- Martins Corner
- Martins Corners
- Martins Landing
- Martintown
- Martinville
- Martyrs Shrine
- Marvelville
- Marygrove
- Maryhill
- Marysville
- Marysville
- Marywood Mead
- Mashkode
- Maskinonge Park
- Massanoga
- Massey
- Massie
- Matachewan
- Matachewan 72
- Matawatchan
- Matherford
- Mathers Corners
- Matheson
- Mathias
- Mattabi
- Mattagami 71
- Mattagami Landing
- Mattawa
- Mattawan
- Matthiasville
- Mattice
- Mattice-Val Côté
- Maxville
- Maxwell
- Maxwells
- Maybrook
- Mayerville
- Mayfair
- Mayfield
- Mayfield West
- Mayhew
- Mayhews Landing
- May Island
- Maynard
- Mayne Corners
- Maynooth
- Maynooth Station
- McAlpine
- McAlpine Corners
- McArthurs Mills
- McBean Harbour
- McCann's Shore
- McCarleys Corners
- McCaulay Lake
- McCluskeys Corners
- McCormick
- McCracken Landing
- McCrackens Landing
- McCrackins Beach
- McCrae
- McCrea Heights
- McCrearys
- McCreary's Shore
- McCrimmon
- Mc Crosson
- McCulloughs Landing
- McDiarmid's Shore
- McDonalds
- McDonalds Corners
- McDougall
- McDougall Mills
- McFarlane Lake
- McFerson
- McGarry
- McGary Flats
- McGaw
- McGinnis Creek
- McGrath
- McGregor
- McGregor Bay
- McGregor Junction
- McGuire
- McGuire Settlement
- M'Chigeeng 22
- McInnis
- McIntosh
- McIntosh
- McIntosh Mills
- McIntosh Springs
- McIntyre Bay Indian Reserve
- McIver
- McKay's Corners
- McKay's Waterfront
- McKellar
- McKenzie Island
- McKenzie Lake
- McKerrow
- McKirdy
- McLaren's Bay
- McLaren's Beach
- McLarens Settlement
- McLeanville
- McLennan's Beach
- McLeodville
- McMarmac
- McMillans Corners
- McMurchy Settlement
- McMurrich/Monteith
- McNab
- McNab/Braeside
- McNaught
- McNaughton Shore
- McRae Beach
- McReynolds
- McRoberts Corner
- McVicar
- McVitties
- Mead
- Meadow Heights
- Meadowside
- Meaford
- Medina
- Medina Corners
- Medonte Hills
- Meilleurs Bay
- Mekatina
- Melancthon
- Melbourne
- Meldrum Bay
- Melduf
- Melgund
- Melissa
- Melrose
- Melville
- Melvin Settlement
- Meneset
- Menie
- Mennonite Corner
- Menoke Beach
- Merivale Gardens
- Merlenor Court
- Merlin
- Merrickville
- Merrickville-Wolford
- Merritton
- Mertz's Corner
- Metagama
- Metcalfe
- Metropolitan
- Metz
- Meyersburg
- Miami Beach
- Michael's Bay
- Michipicoten River
- Micksburg
- Middle Lake Landing
- Middlemarch
- Middlemiss
- Middleport
- Middlesex Centre
- Middleton Park
- Middleville
- Midhurst
- Midhurst Station
- Midland
- Midland Point
- Midlothian
- Midway Crossing
- Migisi Sahgaigan
- Milberta
- Milburn
- Mildmay
- Mile Corner
- Milford
- Milford Bay
- Milford Haven
- Millar
- Millar Hill
- Millars Corner
- Millars Corners
- Millarton
- Millbank
- Millbridge
- Millbrook
- Milldale
- Millerand
- Miller Bay
- Miller Lake
- Miller Lake East
- Miller Lake West
- Millers Corner
- Millgrove
- Millhaven
- Millidge
- Milliken
- Mills Corners
- Milltown
- Millwood
- Milnet
- Milsap
- Milton
- Milton Heights
- Milverton
- Mimico
- Mimosa
- Minahico
- Minaki
- Minataree
- Mindemoya
- Minden
- Minden Hills
- Mindoka
- Mine Centre
- Mineral Springs
- Miners Bay
- Minesing
- Minett
- Mini Lakes
- Mink Lake
- Minniehill
- Minnitaki
- Minto
- Mirwins Park
- Missanabie
- Missanabie 62
- Mississagi
- Mississagi River 8
- Mississagua Landing
- Mississauga
- Mississauga Beach
- Mississaugas of Scugog Island 34
- Mississippi Mills
- Mississippi Station
- Missonga
- Missouri
- Mitchell
- Mitchell Heights
- Mitchell Lake
- Mitchell's Bay
- Mitchell's Corners
- Mitchell Square
- Mitchellville
- Mnjikaning First Nation Indian Res. 32
- Mobert
- Moffat
- Mohr Corners
- Moira
- Mokomon
- Molesworth
- Moltke
- Monck
- Monck Road
- Moncrieff
- Monetville
- Moneymore
- Mongolia
- Monkland
- Monkton
- Mono
- Mono Centre
- Mono Mills
- Mono Road
- Monsell
- Montague
- Monteagle Valley
- Monteith
- Montgomery Crossing
- Montgomery Park
- Monticello
- Montreal Falls
- Montreal River
- Montreal River Harbour
- Montrock
- Monument Corner
- Monument Corners
- Moonbeam
- Mooneys Bay
- Moon Glow
- Moonlight Beach
- Moon River
- Moons Beach
- Moons Corners
- Moonstone
- Moore Centre
- Moore Falls
- Moorefield
- Mooresburg
- Moores Corners
- Moores Lake
- Mooresville
- Mooretown
- Moor Lake
- Moose Creek
- Moose Factory
- Moose Factory 68
- Moosehill
- Moose Hill
- Mooselanka Beach
- Moose Point 79
- Moose River
- Moosonee
- Moravian 47
- Moraviantown
- Moray
- Mordolphin
- Morewood
- Morgans Point
- Morganston
- Morinus
- Morin Village
- Morley
- Morningside
- Morpeth
- Morrisburg
- Morrisburg Station
- Morrish
- Morrison Lake
- Morrison Landing
- Morrison River Landing
- Morriston
- Morris-Turnberry
- Morrisville
- Morson
- Morton
- Morven
- Mosborough
- Moscow
- Moserville
- Mosher
- Mosport
- Mosside
- Mossington Park
- Mossley
- Moss Park
- Motherwell
- Motts Mills
- Moulinette Island
- Moulton Station
- Mountain
- Mountain Chutes
- Mountain Grove
- Mountain Lake
- Mountain View
- Mountain View
- Mountain View Beach
- Mountainview/Bel-Erin
- Mount Albert
- Mount Albion
- Mountbatten 76A
- Mount Brydges
- Mount Burnham
- Mount Carmel
- Mount Carmel
- Mount Chesney
- Mount Dennis
- Mount Elgin
- Mount Forest
- Mount Healy
- Mount Hope
- Mount Horeb
- Mount Irwin
- Mount Julian
- Mount MacDonald
- Mount Nemo
- Mount Olive-Silverstone-Jamestown
- Mount Pleasant
- Mount Pleasant East
- Mount Pleasant West
- Mount Salem
- Mountsberg
- Mount Stephen
- Mount St. Louis
- Mount St. Patrick
- Mount Vernon
- Mountview
- Mount View
- Mount Zion
- Mount Zion
- Mowat Landing
- Moxam's Landing
- Mud Lake
- Mud River
- Muir
- Muirkirk
- Muldrew Lake
- Mulgrave
- Mull
- Mullifarry
- Mulloys
- Mulmur
- Mulock
- Mulock
- Mumford
- Muncey
- Munro
- Munroes Mills
- Munsee-Delaware Nation 1
- Munster
- Murillo
- Murphy Beach
- Murphy Corners
- Murray Hill
- Murvale
- Musclow
- Musk
- Muskoka
- Muskoka Beach
- Muskoka Falls
- Muskoka Lakes
- Muskoka Lodge
- Muskoka Mills
- Muskrat Dam
- Muskrat Dam Lake
- Musselman Lake
- Muttonville
- Myers Cave
- Myersville
- Myrehall
- Myrtle
- Myrtle Station
