# List of disasters in Canada by death toll

This list of Canadian disasters by death toll includes major disasters (excluding acts of war) that occurred on Canadian soil or involved Canadian citizens, in a definable incident, where the loss of life was 10 or more.

## 200 or more deaths

| Fatalities | Year | Article | Type | Location | Comments |
| 55,000+ | 1918-1919 | 1918 influenza pandemic | Pandemic | Canada | Fatalities are estimated |
| 53,000+ | 2020–present | COVID-19 | Pandemic | Canada | Ongoing |
| 26,000+ | 1981–present | HIV/AIDS | Pandemic | Canada | Ongoing |
| 20,000+ | 1847-1848 | Canadian typhus | Pandemic | Canada | Fatalities are estimated |
| 7,000 | 1957-1958 | Asian flu | Pandemic | Canada | |
| 6,000 | 1890-1891 | Russian flu | Pandemic | Canada | |
| 4,000 | 1775 | Newfoundland Hurricane of 1775 | Hurricane | Newfoundland | |
| 4,000 | 1968 | Hong Kong flu | Pandemic | Canada | |
| Unknown, likely several thousand | 1700 | 1700 Cascadia earthquake | Earthquake | British Columbia coast | True figures unknown. Many coastal First Nations villages (such as Kiix-in) were completely wiped out. |
| 2,000 | ~1700 | Tseax Cone | Volcanic eruption | Northwestern British Columbia | |
| 2,000 | 1917 | Halifax Explosion | Explosion | Halifax, Nova Scotia | Estimate; 1,950 recorded names |
| 1,012 | 1914 | RMS Empress of Ireland | Shipwreck | St. Lawrence River, Quebec | |
| 890 | 1711 | Quebec expedition (1711) | Shipwreck | Quebec | Failed expedition that led to the drowning of about 890 |
| 676 | 2021 | 2021 Western North America heat wave | Heat wave | Alberta and British Columbia | 610 excess deaths in BC and 66 excess deaths in Alberta during the week |
| 500+ | 1953 | Polio | Epidemic | Canada | |
| 562 | 1873 | RMS Atlantic | Shipwreck | Mars Island, Nova Scotia | |
| 428 | 2009-2010 | Swine flu | Pandemic | Canada | out of 3 million Canadians infected |
| 360 | 1758 | Duke William | Shipwreck | Atlantic Ocean near the coast of France | during the expulsion of the Acadians |
| 353 | 1918 | SS Princess Sophia | Shipwreck | Near Juneau, Alaska | en route from Vancouver and Victoria to northern BC and Alaska |
| 340 | 1805 | Aeneas | Shipwreck | Isle aux Morts, Newfoundland | |
| 300 | 1758 | Violet | Shipwreck | Atlantic Ocean near the coast of England | during the expulsion of the Acadians bound for France |
| 316 | 1834 | Sybelle | Shipwreck | St. Paul Island, Nova Scotia | Emigrant ship wreck |
| 300 | 1885 | Great Labrador Gale of 1885 | Hurricane | Labrador coast | |
| 275 | 1875 | SS Pacific | Shipwreck | near Cape Flattery out of Victoria, British Columbia | |
| 268 (Canadians) | 1985 | Air India Flight 182 | Terrorism | Atlantic Ocean near the coast of Ireland | flight out of Montréal–Mirabel International Airport, bomb exploded off the coast of Ireland. 268 out of 329 total fatalities were Canadian. |
| 265 | 1833 | Lady of the Lake (brig) | Shipwreck | near Cape St. Francis (Newfoundland and Labrador), Newfoundland and Labrador | The brig called Lady of the Lake sank near Cape St. Francis after a collision with ice killing 265 people |
| 256 | 1985 | Arrow Air Flight 1285 | Plane crash | Gander, Newfoundland | As of 2024, it is the deadliest aviation accident to occur on Canadian soil. |
| 253 | 1689 | Lachine massacre | Massacre | Lachine, New France | 1,500 Mohawk people warriors attack Lachine and kill 250 people. 3 Mohawk warriors were killed in the process |
| 253 | 1857 | SS Montreal | Shipwreck | St. Lawrence River, Quebec | Caught on fire near Quebec City |
| 250 | 1913 | Great Lakes Storm of 1913 | Blizzard/Storm | Great Lakes, Ontario | Estimate is for both Canadian and U.S. fatalities |
| 238 | 1797 | HMS Tribune | Shipwreck | Halifax Harbour, Nova Scotia | |
| 237 | 1863 | SS Anglo Saxon | Shipwreck | Cape Race, Avalon Peninsula, Newfoundland | Allan Line shipwreck |
| 229 | 1998 | Swissair Flight 111 | Plane crash | St. Margarets Bay, Nova Scotia | |
| 223-600 | 1873 | Nova Scotia hurricane of 1873 | Hurricane | Nova Scotia | The Monthly Weather Review, published by the American Meteorological Society, set the death toll at 223 but the New York Times set the toll at 600 |
| 223 | 1916 | Matheson Fire | Forest fire | Black River-Matheson, Ontario | Official estimate |
| 221 | 1834 | Astrea (1812 ship) | Shipwreck | Sank east of Louisbourg, Nova Scotia | Sank with 224 people aboard. Only 3 survived |
| 205 | 1860 | SS Hungarian | Shipwreck | Cape Sable Island, Nova Scotia | Allan Line passenger ship wrecked Cape Sable, NS |
| 203 | 1942 | USS Pollux (AKS-2) and USS Truxtun (DD-229) | Shipwreck | Placentia Bay, Newfoundland | Wreck of the USS Pollux resulted in 93 fatalities and USS Truxtun 110; the USS Wilkes (DD-441) also grounded, but there were no fatalities. |

## 100 to 199 deaths

| Fatalities | Year | Article | Type | Location | Comments |
| 190+ | 1758 | Ruby | Shipwreck | Azores, Portugal | during the expulsion of the Acadians |
| 189 | 1914 | Hillcrest mine disaster | Explosion | Hillcrest, Crowsnest Pass, Alberta | Deadliest mining disaster in Canadian history |
| 182+ | 1881 | Victoria steamboat disaster | Shipwreck | London, Ontario | |
| 174 | 1914 | SS Southern Cross | Shipwreck | Off the coast of Newfoundland | |
| 173 | 1918 | SS Florizel | Shipwreck | Cappahayden, Newfoundland | |
| 173-192 | 1927 | 1927 Nova Scotia hurricane | Hurricane | Nova Scotia and surrounding area | Approximate figure, most fatalities occurred at sea |
| 160 | 1825 | Miramichi fire | Forest fire | Northern New Brunswick, including the towns of Fredericton, Miramichi, and Doaktown | |
| 150 | 1887 | Nanaimo mine explosion | Explosion | Nanaimo, British Columbia | |
| 137 | 1942 | SS Caribou | Shipwreck | Sank southwest of Channel-Port aux Basques, Newfoundland and Labrador | |
| 136 | 1906 | SS Valencia | Shipwreck | Cape Beale, Vancouver Island, British Columbia | |
| 130 | 1845-1848 | Franklin's lost expedition | Failed expedition | King William Island area, Nunavut | The final expedition of John Franklin, where HMS Erebus and HMS Terror were lost in the Northwest Passage |
| 128 | 1902 | Coal Creek mine disaster | Explosion | Coal Creek, British Columbia | |
| 125 | 1891 | First Springhill mining disaster | Explosion | Springhill, Nova Scotia | |
| 123 | 1882 | SS Asia | Shipwreck | Georgian Bay | |
| 120 | 1747 | Battle of Grand Pré | Battle | Grand-Pré, Nova Scotia | |
| 118 | 1949 | SS Noronic | Shipwreck | Toronto, Ontario | |
| 118 | 1963 | Trans-Canada Air Lines Flight 831 | Plane crash | Sainte-Thérèse, Quebec | |
| 115 | 1828 | HMS Acorn | Shipwreck | Halifax, Nova Scotia | |
| 114 | 1942 | HMS Crusader (H60) | Shipwreck | Sank east of St. John's, Newfoundland and Labrador | |
| 114 | 1761 | Auguste (1758 ship) | Shipwreck | Sank in Aspy Bay, Nova Scotia | There was 121 aboard the ship and only 7 survived |
| 110 | 1942 | USS Truxtun (DD-229) | Shipwreck | Lawn, Newfoundland and Labrador | Sank alongside USS Pollux (AKS-2) |
| 109 | 1970 | Air Canada Flight 621 | Plane crash | Brampton, Ontario | |
| 102 | 1711 | HMS Feversham | Shipwreck | Scatarie Island, Main-à-Dieu, Nova Scotia | |

## 99 to 10 deaths

| Fatalities | Year | Incident Name | Type | Location | Comments |
| 99 | 1864 | Beloeil train disaster | Train wreck | Beloeil, Quebec | Deadliest train disaster in Canada |
| 99 | 1942 | Knights of Columbus Hostel fire | Fire, Suspected Arson | St. John's, Newfoundland | |
| 94 | 1918 | SS Florizel | Shipwreck | Sank near Renews-Cappahayden, Newfoundland | Sank after collision with rocks |
| 93 | 1942 | USS Pollux (AKS-2) | Shipwreck | Lawn, Newfoundland and Labrador | |
| 90 | 1711 | HMS Feversham (1696) | Shipwreck | Scatarie Island Nova Scotia | 90 crew members drowned while the other 45 crew members survived |
| 88 | 1918 | Allan mine explosion | Explosion | Stellarton, Nova Scotia | |
| 87 | 1942 | SS Cyclops (1906) | Shipwreck | off the coast of Nova Scotia | British cargo steamship SS Cyclops was sunk in 1942 after being hit by a torpedo from a German submarine killing 87 of the men aboard it |
| 84 | 1982 | Ocean Ranger | Oil platform sinking | Grand Banks, Newfoundland | |
| 81 (Canadian fatalities only) | 1954 | Hurricane Hazel | Hurricane | Ontario | |
| 79 | 1957 | Maritime Central Airways Flight 315 | Plane crash | Issoudun, Quebec | |
| 78 | 1914 | 1914 Newfoundland Sealing Disaster | Storm | Atlantic Ocean off the coast of Newfoundland | Fatalities from the SS Southern Cross are excluded |
| 77 | 1927 | Laurier Palace Theatre fire | Fire | Montreal, Quebec | |
| 75 | 1907 | First Quebec Bridge collapse | Bridge collapse | Quebec City, Quebec | |
| 75 | 1958 | Third Springhill mining disaster | Coal mine bump | Springhill, Nova Scotia | |
| 74 | 2018 | 2018 North American heat wave | Heat wave | Quebec and Ontario | |
| 73-200 | 1911 | Great Porcupine Fire | Forest fire | Porcupine, Ontario | |
| 70 | 1903 | Frank Slide | Rockslide | Frank, Crowsnest Pass, North-West Territories (Modern day Alberta) | |
| 65 | 1917 | Dominion No. 12 Colliery explosion | Explosion | New Waterford, Nova Scotia | |
| 64 | 1966 | Canadian Pacific Airlines Flight 402 | Plane crash | Tokyo, Japan | Crashed on landing at Haneda Airport in Tokyo with 8 survivors |
| 64 | 1813 | HMS Tweed (1807) | Shipwreck | Shoal Bay (Newfoundland and Labrador) | |
| 63 (Canadian fatalities only) | 2020 | Ukraine International Airlines Flight 752 | Plane shootdown | Tehran, Iran | |
| 62 | 1910 | Rogers Pass avalanche | Avalanche | Rogers Pass, British Columbia | |
| 62 | 1956 | Trans-Canada Air Lines Flight 810 | Plane crash | Chilliwack, British Columbia | |
| 60 | 1915 | Britannia Mine Jane Camp landslide | Landslide | Britannia Beach, British Columbia | |
| 59 | 1857 | Desjardins Canal disaster | Train wreck | Hamilton, Ontario | On March 12, 1857, A train carrying 90 passengers crashed through a bridge over the Desjardins Canal causing the train to fall onto the ice below killing 59 people and injuring 18 others. |
| 59 | 1828 | Despatch | Shipwreck | Isle aux Morts, Newfoundland | |
| 58 | 1945 | German submarine U-548 | Shipwreck | Sank southeast of Halifax, Nova Scotia | All 58 people on the submarine were lost with it |
| 55 | 1896 | Point Ellice Bridge disaster | Tram accident | Victoria, British Columbia | |
| 55-58 | 1926 | 1926 Nova Scotia hurricane | Hurricane | Nova Scotia | Approximate number, most deaths occurred at sea. |
| 54 | 2018 | 2018 Eastern Canada heat wave | Heat wave | Eastern Canada | |
| 53 | 1943 | German submarine U-174 | Shipwreck | Sank southwest of Newfoundland | No survivors |
| 53 | 1942 | German submarine U-520 | Shipwreck | Sank east of Newfoundland | No survivors |
| 52 | 1854 | Jeannette's Creek train wreck | Train wreck | Jeannettes Creek, Ontario | |
| 52-232 | 1900 | 1900 Galveston Hurricane | Hurricane | Eastern Canada | |
| 52 | 1965 | Canadian Pacific Airlines Flight 21 | Mass murder | near 100 Mile House, British Columbia | Crashed after a bomb exploded on board. The motive and perpetrator(s) remain unknown. |
| 50 - 60 | 1849 | Hannah (1849 shipwreck) | Shipwreck | Gulf of St. Lawrence | |
| 48 | 1979 | Opémiska Community Hall fire | Fire | Chapais, Quebec | |
| 47 | 1942 | SS Empire Dabchick | Shipwreck | Sank southeast of Sable Island, Nova Scotia | Sank with the loss of 36 crew and 11 DEMS gunners |
| 47 | 2013 | Lac-Mégantic rail disaster | Train wreck | Lac-Mégantic, Quebec | |
| 44-63 | 1910 | Spanish River derailment | Train wreck | Nairn, Ontario | |
| 44 | 1950 | 1950 Douglas C-54D disappearance | Suspected plane crash | Somewhere between Snag and Aishihik, Yukon Territory | 42 US military personnel and 2 civilians. No trace of the plane has ever been found. |
| 44 | 1997 | 1997 Les Éboulements bus accident | Bus crash | Les Éboulements, Quebec | |
| 44 | 1880 | Foord Pit explosion | Explosion | Stellarton, Nova Scotia | |
| 44 | 1917 | CGS Simcoe (1909) | Shipwreck | Sank near the Magdalen Islands, Quebec | No survivors |
| 43 | 1922 | Great Fire of 1922 | Wildfire | Timiskaming District, Ontario | |
| 43 | 2003 | 2003 SARS outbreak | Outbreak | Toronto, Ontario | Out of a total of 251 cases |
| 43 | 1942 | German submarine U-754 | Shipwreck | Sank near Yarmouth, Nova Scotia | No survivors, all 43 aboard the submarine died |
| 43 | 1978 | Pacific Western Airlines Flight 314 | Plane crash | Cranbrook, British Columbia | |
| 40+ | 1815 | HMS Penelope | Shipwreck | near Cap des Rosiers, Quebec | Many survivors later froze to death. |
| 40 | 1889 | Quebec rockslide | Rockslide | Quebec City, Quebec | |
| 40 | 1901 | SS Islander | Shipwreck | Lynn Canal, Alaska | Sunk by an iceberg south of Juneau |
| 40 (Canadian fatalities only) | 1912 | Titanic | Shipwreck | near Newfoundland | Canadian deaths only of 1,517 total |
| 40 | 1918 | HMCS Galiano | Shipwreck | Queen Charlotte Sound 20 miles (32 km) of Kunghit Island, British Columbia | |
| 40 | 1978 | Eastman bus crash | Bus crash | Eastman, Quebec | |
| 39 | 1928 | Hollinger Mining Disaster | Mine fire | Timmins, Ontario | |
| 39 | 1942 | Almonte train wreck | Train wreck | Almonte, Ontario | |
| 39 | 1956 | Second Springhill mining disaster | Explosion | Springhill, Nova Scotia | |
| 39 | 1946 | 1946 American Overseas Airlines Douglas DC-4 crash | Plane crash | Stephenville, Newfoundland | |
| 39 | 1945 | HMCS Esquimalt | Shipwreck | Sank off Chebucto Head, Nova Scotia | |
| 38 | 1850 | Commerce | Shipwreck | Port Maitland, Ontario | |
| 38 | 1969 | 1969 Notre-Dame-du-Lac Nursing Home Fire | Fire | Notre-Dame-du-Lac, Quebec | |
| 37 | 1867 | Great Labrador Gale of 1867 | Storm | Labrador, Newfoundland | |
| 37+ | 1869 | 1869 Saxby Gale | Tropical cyclone | Maritime provinces | Most deaths occurred at sea |
| 37 | 1951 | 1951 Canadian Pacific Air Douglas DC-10 disappearance | Suspected plane crash | Pacific Ocean near Yakutat, Alaska | |
| 37 | 1972 | Blue Bird Café fire | Arson | Montreal, Quebec | |
| 37 | 1921 | Britannia Beach flood | Flood | Britannia Beach, British Columbia | |
| 37 | 1954 | Trans-Canada Air Lines Flight 9 | Mid-air collision | Moose Jaw, Saskatchewan | |
| 36 | 1952 | Northwest Orient Airlines Flight 324 | Plane crash | Sandspit, British Columbia | |
| 36 | 1746 | Battle at Port-la-Joye | Battle | Skmaqn–Port-la-Joye–Fort Amherst, Prince Edward Island | |
| 35 | 1959 | 1959 Escuminac hurricane | Hurricane | Gulf of St. Lawrence, New Brunswick | |
| 35 | 1967 | ČSA Flight 523 | Plane crash | Gander, Newfoundland | |
| 32 | 2014 | L'Isle-Verte nursing home fire | Fire | L'Isle-Verte, Quebec | |
| 32 | 1971 | MV Meteor | Ship fire | Pacific Ocean off of Vancouver, British Columbia | |
| 32 | 1974 | Panarctic Oils Flight 416 | Plane crash | Melville Island, Northwest Territories | |
| 32 | 1909 | Wellington Collieries cave-in | Mining accident | Extension, British Columbia | |
| 32 | 1910 | 1910 Herald fire | Fire | Montreal, Quebec | |
| 31 | 1902 | Wanstead train disaster | Train wreck | Wanstead, Ontario | |
| 31 | 1882 | Halifax Poor House fire | Fire | Halifax, Nova Scotia | |
| 31 | 1947 | Dugald train disaster | Train wreck | Dugald, Manitoba | |
| 31 | 1910 | Bellevue mine disaster | Explosion | Bellevue, Alberta | 21 of the deaths caused by inhaling carbon dioxide and carbon monoxide |
| 31 | 1971 | Saint-Jean-Vianney landslide | Landslide | Saint-Jean-Vianney, Quebec | |
| 30 | 1930 | John B. King explosion | Explosion | near Brockville, Ontario | Lightning struck a drill boat containing dynamite |
| 30 | 2003 | 2003 Avalanche season | Avalanche | Western Canada (Alberta and British Columbia) | Deadliest avalanche season in Canada since 1970 |
| ~30 | 1979 | Eastern Canadian blizzard of March 1971 | Blizzard | Quebec | |
| 30 | 1932 | Cymbeline explosion | Explosion | Montreal | Steamship SS Cymbeline exploded killing at least 30 men. |
| 30 | 1942 | Saganaga | Shipwreck | Conception Bay, Newfoundland | List of shipwrecks in September 1942#5 September |
| 29 | 1929 | 1929 Grand Banks earthquake | Earthquake and tsunami | Burin Peninsula, Newfoundland | Mainly affecting the town of Burin |
| 29 | 1975 | SS Edmund Fitzgerald | Shipwreck | Northwest of Pancake Bay, Ontario in Lake Superior | |
| 29 | 1941 | Brazeau Collieries Mine explosion | Explosion | Rocky Mountain House, Alberta | |
| 28 | 1912 | Regina Cyclone | Tornado | Regina, Saskatchewan | |
| 28 | 1965 | LaSalle Heights disaster | Explosion | LaSalle, Quebec | |
| 28 (Canadian fatalities only) | 1998 | North American ice storm of 1998 | Ice storm | Ontario and Quebec | |
| 28 | 1931 | SS Viking | Explosion | Horse Islands, Newfoundland | |
| 27 | 1958 | Second Narrows Bridge collapse | Bridge collapse | Vancouver, British Columbia | |
| 27 | 1962 | Canadian Pacific Air Lines Flight 301 | Plane crash | Honolulu, Hawaii | |
| 27 | 1987 | Edmonton tornado | Tornado | Edmonton, Alberta | |
| 27 | 1946 | 1946 Sabena DC-4 crash | Plane crash | Gander, Newfoundland | |
| 26+ | 1804 | HMS Speedy | Shipwreck | Presqu'ile Bay, Lake Ontario | |
| 26-28 | 1965 | Granduc Mine avalanche | Avalanche | Stewart, British Columbia | |
| 26 | 1992 | Westray Mine methane explosion | Explosion | Plymouth, Nova Scotia | |
| 26 | 1948 | 1948 Rimouski Airlines crash | Plane crash | Anticosti Island, Quebec | |
| 25 | 1980 | 1980 Mississauga nursing home fire | Fire | Mississauga, Ontario | |
| 25 | 1913 | SS Argus | Shipwreck | Lake Huron | No survivors |
| 25 | 1916 | James B. Colgate (ship) | Shipwreck | Sank off Long Point, Ontario | Out of the 26-man crew only sea captain Walter Grashaw survived |
| 24 | 1989 | Air Ontario Flight 1363 | Plane crash | Dryden, Ontario | |
| 24 | 1943 | 1943 Saint-Donat RCAF Liberator III crash | Plane Crash | Saint-Donat, Quebec | |
| 24 | 1916 | 1916 Quaker Oats explosion | Explosion, fire | Peterborough, Ontario | |
| 23 | 1949 | Québec Airways DC-3 bomb sabotage | Mass murder | Saint-Joachim, Quebec | Albert Guay, along with the assistance of two other people planted a bomb in a plan to kill his wife |
| 23 | 1983 | Air Canada Flight 797 | Aircraft fire | Cincinnati International Airport, Kentucky | |
| 23 | 1986 | Hinton train collision | Train wreck | Hinton, Alberta | |
| 23 | 2005 | Legionnaire's disease outbreak | Epidemic | Toronto, Ontario | |
| 23 | 2020 | 2020 Nova Scotia attacks | Mass shooting | Portapique, Enfield, Wentworth, Debert, and Shubenacaide, Nova Scotia | |
| 23 | 1951 | 1957 Queen Charlotte Airlines Canto crash | Plane crash | Mount Benson, British Columbia | |
| 23 | 1947 | Goose Bay USAF DC-4 crash | Plane crash | CFB Goose Bay, Newfoundland | |
| 23 | 1953 | 1953 Random Island plane crash | Plane crash | Random Island, Nova Scotia | |
| 22 | 1980 | Swift Current Broncos bus crash | Bus crash | near Swift Current, Saskatchewan | |
| 22 | 1958 | 1958 Lockheed Constellation crash | Plane crash | Argentia, Newfoundland | |
| 22 | 2008 | 2008 Canada listeriosis outbreak | Outbreak | Toronto, Ontario | Out of 57 total cases |
| 22 | 1980 | CP Rail crew bus crash | Bus Crash | Webb, Saskatchewan | |
| 21 | 1977 | Saint John City Hall fire | Arson | Saint John, New Brunswick | |
| 21 | 1950 | Canoe River train crash | Train wreck | Valemount, British Columbia | |
| 21 | 1943 | FV Flora Alberta | Ship collision | Atlantic Ocean off of Lunenburg, Nova Scotia | |
| 21 | 1998 | MV Flare | Shipwreck | Cabot Strait, Newfoundland | |
| 21 | 1949 | 1949 RCAF Canso crash | Plane crash | Bigstone Lake, Manitoba | |
| 21 | 1946 | 1946 RCAF Estevan C-47 Dakota crash | Plane crash | Estevan, Saskatchewan | |
| 21 | 1938 | Princess Pit rake disaster | Mining accident | Sydney Mines, Nova Scotia | |
| 21 | 1736 | Lake of the Woods massacre | Massacre | Massacre Island (Ontario) | 21 Frenchmen were killed by Lakota and Dakota warriors |
| 21 | 1966 | Dorion level crossing accident | School bus crash | Dorion, Quebec | |
| 20 | 1927 | Beauval Indian Residential School Fire | Fire | Beauval, Saskatchewan | |
| 20 | 1941 | American Airlines Flight 1 (1941) | Plane crash | West of St. Thomas, Ontario | |
| 20 | 1918 | Alvin Siding camp fire | Fire | Nova Scotia | |
| 20 | 1771 | Bloody Falls massacre | Massacre | Bloody Falls, Nunavut | |
| 20 | 1911 | Sechelt (steamboat) | Shipwreck | near Race Rocks Light, British Columbia | 20 estimated fatalities |
| 20 | 1953 | Colonial Coach Lines Bus Accident | Traffic collision | Morrisburg, Ontario | A bus and a truck collided killing 20 people |
| 19 | 1993 | La Tuque bus disaster | Bus crash | La Tuque, Quebec | |
| 19 | 1910 | SS Regulus | Shipwreck | Shoal Bay, Newfoundland | |
| 19 | 1941 | Polio | Epidemic | New Brunswick | Out of a total of 427 cases |
| 19 | 1952 | McGregor Mine Explosion | Explosion | Stellarton Nova Scotia | |
| 19 | 1993 | Accident at Lac-Bouchette | Traffic collision | Lac-Bouchette, Quebec | A minibus and a van collided causing a fire that killed 19 |
| 18 (Canadian fatalities only) | 2019 | Ethiopian Airlines Flight 302 | Plane crash | Addis Ababa, Ethiopia | |
| 18 | 1958 | Ironworkers Memorial Second Narrows Crossing collapse | Engineering disaster | Vancouver, British Columbia | 18 workers were killed |
| 18 | 1944 | German submarine U-1229 | Shipwreck | Sank south of Newfoundland | 41 survivors |
| 17 | 1960 | Lamont school bus crash | School bus crash | near the town of Lamont, Alberta | |
| 17 | 1946 | Windsor-Tecumseh tornado | Tornado | Windsor, Ontario | |
| 17 | 2009 | Cougar Helicopters Flight 91 | Helicopter crash | Off the coast of Newfoundland | |
| 17 | 1907 | Hochelaga Protestant School Fire | Fire | Montreal, Quebec | |
| 17 | 2023 | Carberry bus crash | Bus crash | Carberry, Manitoba | |
| 17 | 1979 | Quebecair Flight 255 | Plane crash | Quebec City, Quebec | |
| 16 | 1918 | Protection Island mining disaster | Elevator accident | Protection Island, Nanaimo, British Columbia | |
| 16 | 2018 | Humboldt Broncos bus crash | Bus crash | Armley, Saskatchewan | |
| 16 | 1958 | Oldfield Apartment Fire | Fire | Montreal, Quebec | |
| 16 | 1935 | Galt Mine No.8 Explosion | Explosion | Coalhurst, Alberta | |
| 16 | 1928 | SS Manasoo | Shipwreck | Sank near Griffith Island (Georgian Bay), Ontario | Out of the 21 people on board the Manasoo only 5 survived while the other 16 died |
| 16 | 1990 | 1990 Faucett Perú Boeing 727 disappearance | Plane disappearance | Southeast of Cape Race, Newfoundland | |
| 15 | 1898 | Cornwall railway bridge collapse | Bridge collapse | Cornwall, Ontario | |
| 15 | 1956 | Orleans air disaster | Plane crash | Orleans, Ontario | |
| 15 | 1956 | Canadian Pacific Airlines Flight 307 | Plane crash | Cold Bay, Alaska | |
| 15 | 1944 | 1944 Montreal RAF Liberator VI crash | Plane crash | Griffintown, Montreal | 5 crew member fatalities, 10 ground fatalities |
| 15 (Canadian fatalities only) | 2004 | 2004 Indian Ocean earthquake and tsunami | Earthquake and tsunami | Thailand, India, Sri Lanka | Seven Canadians died in Thailand, and one each in India and Sri Lanka |
| 15 | 1934 | 1934 Dundas Station train collision | Train wreck | Hamilton, Ontario | Two passenger trains collide |
| 15 | 1974 | 1974 Les Éboulements bus accident | Bus crash | Les Éboulements, Quebec | |
| 15 | 1989 | École Polytechnique massacre | Mass shooting | Montreal, Quebec | |
| 15 | 1943 | Bristol City (1919) | Shipwreck | Newfoundland | |
| 15 | 1967 | Balmer Mine Disaster | Explosion | Crowsnest Pass | An explosion in the Balmer north mine killed 15 miners. |
| 15 | 1947 | Trans-Canada Air Lines Flight 3 | Plane Crash | Mount Elsay, Vancouver, British Columbia | |
| 14 | 1985 | Barrie tornado outbreak | Tornado outbreak | Barrie, Ontario | |
| 14 | 1957 | 1957 Pacific Western Airlines DC-3 crash | Plane crash | Port Hardy, British Columbia | |
| 14 | 1954 | Yamachiche bus collision | Traffic Collision | Yamachiche, Quebec | |
| 13 | 1904 | Sand Point train collision | Train wreck | Sand Point, Ontario | |
| 13 | 1916 | Second Quebec Bridge collapse | Bridge collapse | Quebec City, Quebec | |
| 13 | 1975 | Gargantua bar attack | Arson, shooting | Montreal, Quebec | Richard Blass killed 13 people inside a bar in a shooting and arson attack |
| 13 | 1885 | Vale Colliery explosion | Explosion | near Stellarton | |
| 13 | 1981 | MS Arctic Explorer | Shipwreck | Sank off St. Anthony, Newfoundland and Labrador | |
| 13 | 1989 | 1989 Cormier-Village hayride accident | Hayride accident | Cormier-Village, New Brunswick | |
| 13 | 1942 | 1942 Mount Cheam plane crash | Plane crash | Mount Cheam, British Columbia | |
| 12 | 1954 | Lake of Two Mountains boating accident | Boat accident | L'Île-Bizard, Quebec | Twelve NCC (Negro Community Centre) children drown. |
| 12 | 1970 | M.F.V. Enterprise and MV Patrick Morris | Shipwrecks | off Cape Breton Island, Nova Scotia | The MV Patrick Morris was responding to the mayday call of the M.F.V. Enterprise when it sank as well. |
| 12 | 2000 | Pine Lake tornado | Tornado | Pine Lake, Alberta | A tornado hit an RV park in rural Alberta |
| 12 | 2011 | First Air Flight 6560 | Plane crash | Resolute Bay, Nunavut | |
| 12 | 1958 | Alexis Creek mission hospital fire | Fire | Alexis Creek, British Columbia | |
| 12 | 1979 | No. 26 Colliery explosion | Explosion | Glace Bay | Mining explosion |
| 12 | 1943 | 1943 Aldershot train accident | Train collision | Aldershot, Ontario | a passenger train collided with a bus, splitting it in two |
| 12 | 1877 | Oil Cabinet Novelty Works Company fire | Fire | Montreal, Quebec | List of disasters in Canada |
| 12 | 1903 | 1903 Hamilton Powder Company explosion | Explosion | Departure Bay, British Columbia | |
| 12 | 1922 | HMS Raleigh (1919) | Shipwreck | Ran aground off Labrador | |
| 12 | 2022 | 2022 Saskatchewan stabbings | Stabbing | Weldon, Saskatchewan | |
| 12 | 1977 | 1977 Northern Thunderbird Air Flight crash | Plane crash | Near Northwest Regional Airport Terrace-Kitimat, British Columbia | |
| 12 | 1941 | 1941 Armstrong plane crash | Plane Crash | Near Armstrong Airport Armstrong, Ontario | |
| 11 | 2018 | 2018 Toronto van attack | Terrorism, Vehicle-ramming attack | North York, Toronto | Alek Minassian drove his Chevrolet Express into people killing 11 and injuring 15 |
| 11 | 2012 | Hampstead crash | Traffic collision | In Hampstead near Stratford and Perth, Ontario. Ten of the killed were Peruvian Migrant workers | |
| 11 | 1889 | St. George bridge derailment | Train wreck | St. George, Ontario | |
| 11 | 1908 | 1908 Medicine Hat train collision | Train wreck | Dunmore, Alberta | Collision between a locomotive and a passenger train |
| 11 | 1998 | Propair Flight 420 | Plane crash | Montréal–Mirabel International Airport, Mirabel, Quebec | |
| 11 | 1919 | Lac la Biche fire | Forest fire | Alberta and Saskatchewan | |
| 11 | 1946 | Barry Hotel Fire | Fire | Saskatoon, Saskatchewan | |
| 11 | 1950 | Vancouver Island Lockheed P2V-3W Neptune crash | Plane crash | McCreight Mountain, Vancouver Island, British Columbia | |
| 11 | 1922 | Great Fire of 1922 | Wildfire | Timiskaming District, Ontario | |
| 11 | 1925 | Izumo launch collision | Shipwreck | Vancouver, British Columbia | Crew were returning to the ship on a launch after a brief excursion when the launch was struck by the tugboat Nanoose. Only 5 of the crew on board survived. |
| 11 | 1899 | Caledonia mine explosion | Explosion | Glace Bay, Nova Scotia | |
| 11 | 1979 | 1979 Saint-Rosalie bus crash | Bus crash | Saint-Rosalie, Quebec | A bus crashed into an overpass near Saint-Rosalie killing 11 people and injuring 20 others |
| 11 | 1978 | 1978 Airwest Airlines crash | Plane Crash | Coal Harbour, Vancouver, British Columbia | |
| 11 | 1942 | Excalibur | Plane Crash | Botwood, Newfoundland | |
| 10 | 1960 | Metropolitan Store explosion | Explosion | Windsor, Ontario | |
| 10 | 1989 | Rupert Hotel fire | Fire | Toronto, Ontario | |
| 10 | 1985 | 1985 CFB Namao mid-air collision | Mid-air collision | CFB Namao, Edmonton, Alberta | |
| 10 | 1950 | Leduc Hotel explosion | Explosion | Leduc, Alberta | |
| 10 | 1930 | McGillivray Mine explosion | Explosion | Coleman | |
| 10 | 1976 | 1976 Austin Airways DHC-3 crash | Plane crash | Fraserdale, Ontario | |
| 10 | 2004 | 2004 Georgian Express crash | Plane crash | Pelee, Ontario | |
| 10 | 1923 | M.V. Orient | Shipwreck | Strait of Georgia, British Columbia | Split in two by the freighter Admiral Nulton leaving three survivors. |
| 10 | 1899 | Thistle | Shipwreck | Johnstone Strait, British Columbia | |
| 10 | 2010 | Glengarry Hospital Norovirus outbreak | Outbreak | Victoria, British Columbia | |
| 10 | 1996 | Saguenay flood | Flood | Saguenay-Lac-Saint-Jean, Quebec | |
| 10 | 1908 | Port Hood explosion | Explosion | Port Hood, Nova Scotia | |
| 10 | 1996 | Vernon massacre | Mass shooting | Vernon, British Columbia | |
| 10 | 1977 | 1977 Lantzville bus crash | Traffic Collision | Lantzville, British Columbia | |
| 10 | 1975 | 1975 GO train bus collision | Level crossing crash | Toronto, Ontario | A GO train collided with a bus killing 10 people and injuring 20 others |
| 10 | 1919 | Port Colborne explosion | Explosion | Port Colborne Ontario | |
| 10 | 1944 | 1944 Moose Hall fire | Arson | Hamilton, Ontario | On May 24, 1944, an arsonist set fire to the Moose Hall in Hamilton killing 10 people and injuring 47 others. |