- Mazo de la Roche
- MCA Records Canada
- McAdam
- McBean's Back Injury
- McCarter Nairne
- Mccarthy Shawn
- McClelland & Stewart
- McCord Stewart Museum
- McCulloch House
- McDonald Archaeological Site
- McDonough Wins NDP Leadership
- Pauline Emily McGibbon
- McGill Chamber Orchestra/Orchestre de chambre McGill
- McGill String Quartet/Quatuor à cordes McGill
- McGill University
