- Macaulay Avenue
- MacDonell Avenue
- MacGregor Avenue
- Machells Avenue
- MacKay Avenue
- Mackenzie Crescent
- Macklem Avenue
- Maclean Avenue
- Maclennan Avenue
- MacPherson Avenue
- Madison Avenue
- Maher Avenue
- Main Street
- Maitland Place
- Maitland Street
- Major Street
- Mallon Avenue
- Mallory Gardens
- Malvern Avenue
- Manchester Avenue
- Manitoba Drive
- Manitou Boulevard
- Mann Avenue
- Manning Avenue
- Manor Lane
- Manor Road East
- Manor Road West
- Mansfield Avenue
- Maple Avenue
- Maple Grove Avenue
- Mapleview Avenue
- Marchmount Road
- Margdon Road
- Margueretta Street
- Maria Street
- Maribeth Avenue
- Marie Labatte Road
- Marigold Avenue
- Mariner Terrace
- Marion Street
- Marjory Avenue
- Mark Street
- Markdale Avenue
- Market Street
- Markham Street
- Marlborough Avenue
- Marlborough Place
- Marlee Avenue
- Marmaduke Street
- Marmot Street
- Marshall Street
- Martin Crescent
- Martin Road
- Marwood Road
- Mary Chapman Boulevard
- Maryland Boulevard
- Massey Street
- Mathersfield Drive
- Matilda Street
- Maud Street
- Maughan Crescent
- Mavety Street
- Maxwell Avenue
- May Square
- May Street
- Maybank Avenue
- Mayfair Avenue
- Mayfield Avenue
- Maynard Avenue
- McAlpine Street
- McCartney Street
- McCaul Street
- McConnell Avenue
- McCord Road
- McCormack Street
- McFarland Avenue
- McGee Street
- McGill Street
- McKenzie Avenue
- McMaster Avenue
- McMurray Avenue
- McMurrich Street
- McNairn Avenue
- McRoberts Avenue
- Mechanic Avenue
- Medland Crescent
- Medland Street
- Melbourne Avenue
- Melbourne Place
- Melgund Road
- Melita Avenue
- Melita Crescent
- Melrose Avenue
- Melville Avenue
- Memorial Park Avenue
- Memory Lane
- Mendel Avenue
- Mercer Street
- Merchant Lane
- Merchants' Wharf
- Meredith Crescent
- Merrick Street
- Merrill Avenue East
- Merrill Avenue West
- Merton Street
- Metcalfe Street
- Michener Court
- Middleton Street
- Milan Street
- Miles Place
- Milky Way
- Mill Street
- Millbank Avenue
- Millbrook Crescent
- Miller Street
- Millicent Street
- Millington Street
- Millwood Road
- Milverton Boulevard
- Minho Boulevard
- Minto Street
- Mitchell Avenue
- Moberly Avenue
- Mona Drive
- Monarch Park Avenue
- Montclair Avenue
- Montcrest Boulevard
- Monteith Street
- Montgomery Avenue
- Montrose Avenue
- Moore Avenue
- Morningside Avenue
- Morrison Avenue
- Morrison Street
- Morrow Avenue
- Morse Street
- Morton Road
- Mosley Street
- Mossom Place
- Mossom Road
- Mount Pleasant Road
- Mount Royal Avenue
- Mount Stephen Street
- Mountalan Avenue
- Mountjoy Avenue
- Mountnoel Avenue
- Mountview Avenue
- Moutray Street
- Mowat Avenue
- Muir Avenue
- Mulock Avenue
- Munition Street
- Munro Park Avenue
- Munro Street
- Murdock Avenue
- Muriel Avenue
- Murray Street
- Musgrave Street
- Mutual Street
- Myrtle Avenue