As of 2026-10-12, Nong Bua Lamphu massacre tops the list with 38 deaths.
- #1 Nong Bua Lamphu massacre — 38 deaths
2022 mass murder in Thailand
On 6 October 2022, 34-year-old Panya Khamrab killed 37 people, 24 of whom were children, and injured 10 others by shooting, stabbing, and vehicle-ramming in Nong Bua Lamphu province, Thailand, before killing himself. The attack mainly occurred in a children's nursery located in the Uthai Sawan subdistrict of the Na Klang district. It is the deadliest mass murder by a single perpetrator in the modern history of Thailand, surpassing the death toll of the Nakhon Ratchasima shootings in 2020. Read more on Wikipedia.
Wikidata - #2 Virginia Tech shooting — 33 deaths
shooting on the campus of Virginia Polytechnic Institute and State University in Blacksburg, Virginia, United States
The Virginia Tech shooting or at the time, the Virginia Tech massacre was a mass shooting that occurred on Monday, April 16, 2007, comprising two attacks on the campus of the Virginia Polytechnic Institute and State University in Blacksburg, Virginia, United States. Seung-Hui Cho, a 23-year-old undergraduate student at the university, killed 32 people and wounded 17 others with two semi-automatic pistols before committing suicide. Six others were injured jumping out of windows to escape Cho. Read more on Wikipedia.
Wikidata - #3 Sandy Hook Elementary School shooting — 29 deaths
2012 school massacre in Newtown, Connecticut, United States
The Sandy Hook Elementary School shooting was a mass shooting and murder–suicide that occurred on December 14, 2012, at an elementary school in Newtown, Connecticut, in which 20-year-old Adam Lanza killed 26 people—20 first-grade children and six staff members—before killing himself. Lanza had earlier fatally shot his mother at their home before driving to the school, where he forced entry by shooting out a window near the locked front entrance. He was armed with a semi-automatic rifle... Read more on Wikipedia.
Wikidata - #4 Luby's massacre — 24 deaths
mass shooting that took place on October 16, 1991, at a restaurant in Killeen, Texas
The Luby's shooting, also known as the Luby's massacre, was a mass shooting that took place on October 16, 1991 at a Luby's Cafeteria in Killeen, Texas, United States. The perpetrator, 35-year-old George Pierre Hennard, drove his pickup truck through the front window of the cafeteria before opening fire, killing 23 people and wounding 27 others. He had a brief shootout with police officers in which he was seriously wounded but refused their orders to surrender and eventually died by suicide. Read more on Wikipedia.
Wikidata - #5 Izhevsk school shooting — 18 deaths
2022 school shooting in Izhevsk, Udmurtia, Russia
On 26 September 2022, a mass shooting occurred at a school in Izhevsk, Udmurtia, Russia. Eighteen people were killed and twenty-three others were wounded before the gunman, identified as Artyom Kazantsev committed suicide. Read more on Wikipedia.
Wikidata - #6 Dunblane school massacre — 18 deaths
1996 mass shooting at Dunblane Primary School, Dunblane, United Kingdom
The Dunblane massacre was a school shooting that took place at Dunblane Primary School in Dunblane, near Stirling, Scotland, on 13 March 1996, when 43-year-old Thomas Hamilton killed 16 pupils and one teacher and injured 15 others before killing himself. It remains the deadliest mass shooting in British history. Read more on Wikipedia.
Wikidata - #7 Hungerford massacre — 17 deaths
fatal shooting of 16 people in Hungerford, U.K.
The Hungerford massacre was a spree shooting in Wiltshire and Berkshire, England, which occurred on 19 August 1987 when 27-year-old Michael Ryan shot and killed sixteen people, including his mother and an unarmed police officer, before killing himself. No motive for the killings was established. Read more on Wikipedia.
Wikidata - #8 2023 Prague shooting — 16 deaths
school shooting in the Czech Republic
On 21 December 2023, a mass shooting occurred at Charles University's Faculty of Arts main building in central Prague, Czech Republic. A lone gunman, 24-year-old postgraduate student David Kozák, killed 13 people and injured 25 others before committing suicide after exchanging gunfire with police; an additional victim died indirectly from falling to her death while trying to escape the perpetrator. Read more on Wikipedia.
Wikidata - #9 Columbine High School massacre — 16 deaths
school shooting at Columbine High School in Columbine, Colorado, United States on April 20, 1999
On April 20, 1999, high school senior students Eric Harris and Dylan Klebold shot and killed 13 students and one teacher in a school shooting and attempted bombing at Columbine High School in Columbine, Colorado, United States. Twenty people were injured by the gunfire, and three others were injured while trying to escape. The attack ended when Harris and Klebold committed suicide. The Columbine massacre was the deadliest mass shooting at a K–12 school in U.S. history until the Sandy Hook... Read more on Wikipedia.
Wikidata - #10 Edmond post office shooting — 15 deaths
Mass shooting in the US
The Edmond post office shooting was a mass shooting that occurred in Edmond, Oklahoma, on August 20, 1986. In less than fifteen minutes, 44-year-old postal worker Patrick Sherrill pursued and shot several coworkers, killing 14 and injuring another 6, before committing suicide. It is currently the deadliest workplace shooting in U.S. history by a lone gunman, as well as the deadliest mass shooting by a lone gunman in the state of Oklahoma. Read more on Wikipedia.
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