This is a list of massacres and mass murders that have occurred in Australia and its predecessor colonies (some historical numbers may be approximate).
There is no uniform, global standard for what constitutes a mass murder.
For the purposes of this list, the Australian Institute of Criminology definition of mass murder as having a "threshold of four or more fatalities" is used.
[1] Mass violent attacks which caused many injuries but few deaths.
Indigenous massacres and conflicts: Terrorism: Crime: