This article is a list of mass shootings in Australia. Mass shootings are firearm-related violence with at least four casualties. Excluded are shootings associated with acts of war, such as the 1944 Cowra breakout, which saw over 200 soldiers killed. Also excluded are massacres of Aboriginal people using firearms, most of which are not well-documented.
The data includes casualties of perpetrators, including self-inflicted gunshot wounds or the shooting of a perpetrator by police. That treatment of perpetrator casualties is at variance with some but not all definitions of a mass shooting used in the United States. The inclusion of injured victims in the data is also at variance with some of the US definitions that only include dead victims. However, the above treatment is consistent with that used in other Wikipedia lists of mass shootings by country.
21st century DateLocationDeadInjuredTotalDescription19 May 2026Canley Heights, New South Wales145Two men shot and killed one man and injured four others in a targeted attack believed to be organised crime-related.22 January 2026Lake Cargelligo, New South Wales5162026 Lake Cargelligo shootings: Julian Ingram shot and killed pregnant Sophie Quinn, John Harris, Nerida Quinn and injured Kaleb McQueen before later shooting himselfBondi Beach, Sydney, New South Wales1641572025 Bondi Beach shooting: Two gunmen opened fire on a Hanukkah event at Bondi Beach in Sydney, killing 15 people and wounding 40 more. One of the perpetrators was killed in a shootout with police, while the other was injured and arrested.Croydon Park, Sydney, New South Wales01818A man opened fire from a restaurant rooftop onto Georges River Road at passing vehicles, including police vehicles, injuring 17 people, before being arrested. Paramedics treated 16 people at the scene for minor injuries, one man underwent surgery at Royal Prince Alfred Hospital for gunshot wounds to his chest and neck and the alleged gunman was taken to Bankstown Hospital for minor injuries.Wieambilla, Queensland628Wieambilla police shootings: A Police wellness check gone wrong, left six people dead including three perpetrators (two men and one woman). Two more people were wounded.Bogie, Queensland314A man shot four members of the same family, killing three and seriously wounding one.Darwin, Northern Territory4152019 Darwin shooting: A man shot five people with a pump-action shotgun, killing four and wounding one.Melbourne, Victoria2462019 Melbourne nightclub shooting: A drive-by shooting by two men left two people dead and four wounded.Osmington, Western Australia7Including the perpetrator or suspect07Osmington shooting: A man shot dead his wife, daughter, and four grandchildren, before committing suicide.Brighton, Victoria2Including the perpetrator or suspect352017 Brighton siege: A man shot and killed one person and then held a hostage. In a subsequent shoot-out with a police tactical unit, the perpetrator was killed and three police officers were wounded.Ingleburn, New South Wales2Including the perpetrator or suspect24A man armed with a rifle shot and killed one person and wounded two others, before taking his own life.Sydney, New South Wales3Including the perpetrator or suspect47Lindt Cafe siege: Three people were killed and four others were wounded during a police raid at a café where a man was holding hostages.Lockhart, New South Wales5Including the perpetrator or suspect05A man shot and killed his wife and three children with a shotgun before committing suicide.Smithfield, New South Wales044A shooting incident at a residence left four men wounded.Hectorville, South Australia3362011 Hectorville siege: A shooting incident and the following stand-off with the police left three people killed and three others wounded.Roxburgh Park, Victoria4Including the perpetrator or suspect04A man shot and killed his three children and himself.Jandakot, Western Australia04Including the perpetrator or suspect4A gang-related shootout left four people wounded.Adelaide, South Australia044A shooting incident at Tonic nightclub in Light Square left at least four people wounded.Fairfield, New South Wales134A 29-year-old man was shot dead and three others were wounded in a shooting at Babylon Cafe in the Civic Centre Arcade.Oakhampton Heights, New South Wales4Including the perpetrator or suspect04A 32-year-old woman armed with a rifle shot and killed her husband, two children and herself.Melbourne, Victoria257Monash University shooting: A male international student shot and killed two students and wounded five others including the lecturer.Cabramatta, New South Wales077A man opened fire with a handgun at a wedding party, wounding seven people.
20th century