| Name | Date | Location | Dead/Injured/ Captives | Mechanism of injury | Perpetrator suicide | Notes |
|---|
| Lachine massacre | August 5, 1689 | Lachine, Quebec | 24–250 | Tomahawk, [2] fire and other unspecified weapons | No | Part of King William's War |
| Massacre Island, Ontario | June 6, 1736 | Lake of the Woods | 21 | Arrows and various edged weapons including knives | No | There is some dispute about which island in Lake of the Woods was the actual site of the massacre. |
| Battle at Port-la-Joye | July 11, 1746 | Port-la-Joye, Île Saint-Jean. The location now known as Hillsborough River (Prince Edward Island). | 34 / 0 | Unknown | No | Acadian and Mi'kmaqs killed 34 unarmed British (27 soldiers and 7 sailors). Part of King George's War |
| Battle of Grand Pré | February 10, 1747 | Grand-Pré, Nova Scotia | 67 / 0 / 40 | Flintlock muskets, bayonets and various close-quarters weapons | No | Acadian and Mi'kmaqs took est. 40 prisoners after attack. Part of King George's War |
| Raid on Dartmouth | May 13, 1751 | Dartmouth, Nova Scotia | 7–20 / 0 / 6–14 | Miscellaneous including various edged weapons | No | One of seven raids by Mi'kmaqs on British and New England forces, usually very violent with deaths and scalpings. Part of Father Le Loutre's War |
| St. Francis Raid | October 4, 1759 | Odanak, Quebec | 30–200 / unk / 7–20 | Military arms including muskets, bayonets and tomahawks | No | Raid by Robert Rogers' Rangers, which was pursued and depleted before crossing back into New England. Part of Seven Years' War |
| Bloody Falls massacre | July 17, 1771 | The location now known as Kugluk/Bloody Falls Territorial Park near Kugluktuk, Nunavut | 20 | Various small arms including knives and other edged weapons | No | Alleged massacre of a group of Copper Inuit by Matonabbee and his accompanying party of Dene, witnessed by Samuel Hearne |
| Chilcotin War | April 30, 1864 | Bute Inlet, British Columbia | 19 | Firearms including rifles | No | Massacre of 14 employees of Alfred Waddington by various Tŝilhqot'in people who had been working on road construction without compensation for two years. |
| Cypress Hills Massacre | June 1, 1873 | Cypress Hills, Saskatchewan | 23 Official, Estimated 200 | Firearm | No | Mass murder perpetrated by American bison and wolf hunters, and American and Canadian whisky traders and cargo haulers, against a camp of Assiniboine people. One of the main contributing reasons for the formation of the Royal Canadian Mounted Police. |
| Black Donnellys massacre | February 4, 1880 | Lucan Biddulph, Ontario | 5 | Firearms, pitchfork, axe, shovel, clubs and a wooden stake | No | Murder of five members of the Donnelly family by an armed mob, after which their farm was burned down. The event was the culmination of long-standing conflict between the family and other residents. None of the mob were ever convicted. |
| Frog Lake Massacre | April 2, 1885 | Frog Lake, Alberta | 9 | Firearms | No | Part of the North-West Rebellion |
| Mass shooting Smoky Lake, Alberta | October 22, 1930 | Smoky Lake, Alberta | 5 | Firearms (shotgun) | No | Four members of the Walanski family and neighbour Wasyl Darichuk were killed. George Dwernychuk hanged March 3, 1931, Provincial Jail, Ft. Saskatchewan [3] |
| CPA Flight 108 bombing | September 9, 1949 | Cap Tourmente, Quebec | 23 | dynamite time bomb | Failed attempt by one of the conspirators | Whole plane destroyed to kill one of the conspirators' wife (so he could marry his mistress) and obtain life insurance money. |
| Canadian Pacific Air Lines Flight 21 | July 8, 1965 | Cariboo, British Columbia | 52 | Bomb | Unknown | Unsolved airplane bombing. |
| Buffalo Narrows axe slayings | January 30, 1969 [4] | Buffalo Narrows, Saskatchewan | 7 | Axe | No | Seven members of the Pederson family were killed with an axe in their beds by a schizophrenic man, Frederick Moses McCallum. [5] |
| Blue Bird Café fire | September 1, 1972 | Montreal, Quebec | 37 | Fire | No | The Blue Bird Café fire was a nightclub fire on September 1, 1972, in Montreal, Quebec. In all, 37 people were killed as a result of arson. |
| Lennoxville massacre | March 24, 1985 | Lennoxville, Quebec | 5 | Firearm | No | Part of the Quebec Biker war, 4 convicted of first degree murder |
| École Polytechnique massacre | December 6, 1989 | Montreal, Quebec | 15 / 14 | Firearm | Yes | Marc Lépine killed 14 women and injured 14, before taking his own life. School shooting. |
| Concordia University massacre | August 24, 1992 | Montreal, Quebec | 4 / 1 | Firearm | No | School shooting. 4 killed, 1 injured. [6] |
| Giant Mine Murders (Royal Oak Mines Labour Dispute) | September 18, 1992 | Yellowknife, Northwest Territories | 9 | Bombing | No | Bombing during labour dispute. One of Canada's deadliest mass murders. [7] [8] |
| Vernon massacre | April 6, 1996 | Vernon, British Columbia | 9 / 2 | Multiple firearms | Yes | Estranged husband murdered wedding party. [9] [10] |
| Shedden massacre | April 8, 2006 | Shedden, Ontario | 8 | Multiple firearms | No | Gang killing of own gang members. |
| 2014 Edmonton shooting | December 29, 2014 | Edmonton, Alberta | 7 | Firearm | Yes | 53-year-old Phu Lam murders his ex-wife and six relatives on December 29, the worst mass murder in Edmonton's history |
| 2014 Calgary stabbing | April 15, 2014 | Calgary, Alberta | 5 | Knife | No | Five people stabbed to death at a house party by Matthew de Grood during a psychotic episode. |
| Quebec City mosque shooting | January 29, 2017 | Quebec City, Quebec | 6 / 19 | Multiple firearms | No | Islamophobic attack on the Islamic Cultural Centre of Quebec City by Alexandre Bissonnette. Ultimately, charges of terrorism were not brought forth as Bissonnette had acted independently of a terrorist organization. [11] |
| Toronto van attack | April 23, 2018 | Toronto, Ontario | 11 / 15 | Vehicle | No | A van was driven along a Yonge Street sidewalk on April 23, 2018, by Alek Minassian. At least 26 were injured, including 11 fatally. [12] [13] |
| 2020 Nova Scotia attacks | April 18–19, 2020 | Multiple locations, Nova Scotia | 23 (including the perpetrator) / 3 | Multiple firearms, fire | No | Perpetrator Gabriel Wortman committed multiple shootings using illegal firearms and set fires at 16 locations in Nova Scotia, killing 13 with firearms and 9 in fires (22 people total) and injuring three others before the Royal Canadian Mounted Police (RCMP) shot and killed him in Enfield, NS. |
| London, Ontario truck attack | June 6, 2021 | London, Ontario | 4 / 1 | Vehicle | No | A terrorist attack occurred on June 6, 2021, when a vehicle was used to strike a Muslim family at the intersection of Hyde Park and South Carriage roads, south of Gainsborough Road. The suspect is 20-year-old London resident Nathaniel Veltman. Four died, one was injured. [14] |
| 2022 Saskatchewan stabbings | September 4, 2022 | James Smith Cree Nation and Weldon, Saskatchewan | 12 (including the perpetrator) / 18 | Multiple knives | Yes | On September 4, 2022, 28 people were stabbed, ten of whom were killed, in at least thirteen locations in the James Smith Cree Nation and Weldon, Saskatchewan, Canada. [15] One suspect, Damien Sanderson, who was later reclassified as a victim, [16] was found dead near one of the stabbing locations on September 5, 2022. [17] The perpetrator, Myles Sanderson, was apprehended on September 7, 2022, near Rosthern, Saskatchewan and died later from overdosing on cocaine. [18] [19] |
| 2022 Vaughan shooting | December 18, 2022 | Vaughan, Ontario | 6 (including the perpetrator) / 1 | Firearm | No | On December 18, 2022, a mass shooting occurred at the Bellaria Residences condominium tower in Vaughan, a suburb north of Toronto, Ontario, Canada. Six people were killed, including the gunman, 73-year-old Francesco Villi, who was shot and killed by responding police officers. Another person was hospitalized with serious but non-life-threatening injuries. |
| 2024 Ottawa stabbing | March 6, 2024 | Ottawa, Ontario | 6 / 1 | 'Knife-like' edged weapon | No | On March 7, 2024, six people were stabbed to death and one was injured in the Barrhaven suburb of Ottawa [20] |
