This is a list of wars and man-made disasters by death toll. Some events overlap categories.
See also: List of battles and other violent events by death toll
For natural disasters see: List of natural disasters by death toll

Wars and armed conflicts
This section lists campaigns either aimed at or resulting in significant mortality of noncombatants, excluding victims of collateral damage from war.

Noncombatant killings
The CPPCG defines genocide in part as "acts committed with intent to destroy, in whole or in part, a national, ethnical, racial or religious group". The following is a list of genocides or alleged genocides that appear in the article genocides in history

Genocide

1,000,000-1,400,000 - Belzec extermination camp, (by Nazi Germany, located in Belzec Poland, 1942-1943)
350,000 - Majdanek extermination camp, (by Nazi Germany, located in Lublin Poland, 1942-1944)
300,000 - Chelmno extermination camp, (by Nazi Germany, located in Chelmno Poland, 1941-1943)
260,000 - Sobibór extermination camp, (by Nazi Germany, located in Sobibor Poland, 1942-1943)
55,000 - Neuengamme concentration camp, (by Nazi Germany, located by Hamburg, Germany, 1938-1945) Man-made famines
This section lists tolls from the systematic practice of human sacrifice or suicide. For notable individual episodes, see Human sacrifice and mass sucide.

Footnotes
Other lists organized by death toll
Other lists with similar topics
Topics dealing with similar themes

List of natural disasters by death toll
List of battles and other violent events by death toll
List of accidents and disasters by death toll
List of United Kingdom disasters by death toll
Most prolific murderers by number of victims
List of wars | List of battles | List of invasions
List of massacres | List of terrorist incidents | List of riots
List of disasters | List of historic fires | List of famines
List of earthquakes | List of notable tropical cyclones
List of rail accidents
Lists of accidents and incidents on commercial airliners
Mass murder | Genocide | Democide
Famine | Infectious diseases
Genocide in history
Mass deaths and atrocities of the twentieth century
Most lethal battles in world history
United States casualties of war
Invasion and occupation of Iraq casualties