*''For serial killers see:''

List of serial killers by number of victims A serial killer is typically a person who murders three or more people, in two or more separate events over a period of time, for primarily psychological reasons.A serial killer is most commonly defined as a person who kills three or more peop ...

*''For mass murderers and spree killers see:''

List of rampage killers A rampage killer has been defined as follows: This list should contain, for each category, the first fifteen cases with at least one of the following features: * Rampage killings with 6 or more dead * Rampage killings with at least 4 peopl ...

*''For dictators see:'' List of dictators by death toll

See also