"Organized by death toll" means
- list entries are ordered by death toll, or
- there is a table sortable on a column labeled "Death toll", "Casualties", or equivalent
General
- List of accidents and disasters by death toll
- List of wars and anthropogenic disasters by death toll
- List of famines, not included in natural disasters as some of them are at least partially anthropogenic
Accidents
- List of aircraft accidents and incidents by number of ground fatalities
- List of deadliest aircraft accidents and incidents
- List of airship accidents
- List of ballooning accidents
- List of elevator accidents
- List of nuclear and radiation accidents by death toll
- List of rail accidents in the United Kingdom
- List of the deadliest firefighter disasters in the United States
Natural disasters including diseases
- List of costly or deadly hailstorms
- List of the deadliest tropical cyclones
- List of deadliest Pacific hurricanes
- List of epidemics
- List of tornadoes causing 100 or more deaths
- List of deadliest Storm Prediction Center days by outlook risk level
- List of natural disasters by death toll
- List of avalanches by death toll
- List of deadliest floods
- List of foodborne illness outbreaks by death toll
- List of volcanic eruptions by death toll
Intentional killing, including collateral deaths
- American units with the highest percentage of casualties per conflict
- Deadliest single days of World War I
- List of battles by casualties
- List of battles with most United States military fatalities
- List of genocides by death toll
- List of major terrorist incidents
- List of mass shootings in the United States
- List of modern conflicts in the Middle East
- List of murderers by number of victims
- List of ongoing armed conflicts
- List of rampage killers
- List of serial killers before 1900
- List of serial killers by number of victims
- List of ships sunk by submarines by death toll
- List of terrorist incidents
- List of wars by death toll
Massacres
- List of pogroms
- List of massacres at sea
- List of massacres in the Italian Social Republic
- List of massacres in Jerusalem
- List of massacres in Nagaland
- List of massacres of Kurds
- List of massacres of Nizari Ismailis
- List of massacres of Turkish people
By war
- List of massacres during the Algerian Civil War
- List of massacres in the Bosnian War
- List of massacres in the Croatian War of Independence
- List of massacres committed during the Eritrean War of Independence
- List of massacres in the Finnish Civil War
- List of massacres in the Kosovo War
- List of killings and massacres during the 1948 Palestine war
- List of massacres during the Syrian civil war
- List of mass executions and massacres in Yugoslavia during World War II
- List of attacks related to primary schools, includes kindergarten attacks
- List of attacks related to secondary schools
- List of attacks related to post-secondary schools
- List of unsuccessful attacks related to schools
- List of rampage killers, includes incidents that involved only staff who work at the school
- List of school massacres by death toll
- List of school shootings in the United States (before 2000)
- List of school shootings in the United States (2000–present)
- List of school shootings in the United States by death toll
Disasters by place
- List of disasters in Antarctica by death toll
- List of disasters in Metro Manila by death toll
- List of disasters in New York City by death toll
Country
- List of disasters in Australia by death toll
- List of disasters in Bangladesh by death toll
- List of disasters in Canada by death toll
- List of disasters in Croatia by death toll
- List of disasters in Estonia by death toll
- List of disasters in Great Britain and Ireland by death toll
- List of disasters in Japan by death toll
- List of disasters in Malta by death toll
- List of disasters in New Zealand by death toll
- List of disasters in Poland by death toll
- List of disasters in Romania by death toll
- List of disasters in Sweden by death toll
- List of disasters in the United States by death toll