The following are a list of massacres that have occurred in Malaysia and its predecessors:
| Name | Date | Location | Deaths | Notes |
|---|---|---|---|---|
| Parit Sulong Massacre | January 23, 1942 | Johor, Japanese-occupied Malaya | 133 | Killing of Allied prisoners of war by the Imperial Japanese military. |
| Sook Ching | February to March 1942 | Japanese-occupied Malaya | 70,000 | Killing of ethnic Chinese populations in Malaya by the Imperial Japanese military, following similar actions in Singapore. |
| Jesselton Revolt | October 9, 1943 | Jesselton, British Borneo | 324 | |
| Batang Kali massacre | December 12, 1948 | Batang Kali, Malaya | 24 | Killing of villagers (alleged to be communist sympathisers) by counter-guerrilla British Army troops. |
| Bukit Kepong incident | February 23, 1950 | Bukit Kepong, Muar | 25 | Killing of police, women and children by Communist party of Malaya |
| Alor Akar School massacre | August 24, 1969 | Alor Akar | 3 | A 23-year-old teacher at a vocational school in Alor Akar, Kuantan attacked several sleeping students in the school hostel. He killed three students and wounded two others, one of them critically, with a dagger. The teacher surrendered and was later arrested by police.[1][2] |
| Malaysian Airline System Flight 653 hijacking | December 4, 1977 | Tanjung Kupang | 100 | Hijacking of a Malaysian plane, possibly by the Japanese Red Army. |
| 1985 Lahad Datu ambush | September 23-24, 1985 | Lahad Datu, Sabah | 26 (including the perpetrators) | A group of Moro pirates raid the town and commit robberies and shootings. |
| Memali Incident | November 19, 1985 | Kampung Memali, Baling, Malaysia |
18 | Killing of Islamists by the Royal Malaysia Police. |
| 1986 Sabah riots | March 1986 | Sabah | 5 | Seven plastic explosives were detonated in Kota Kinabalu. A bomb was also detonated in Tawau. At least five bombs exploded in Sandakan killing one newspaper vendor and injuring a senior Police Field Force officer. The riots resulted in the death of 5 people. |
| Shooting of Ong Teik Kwong | December 1, 2016 | Tun Dr Lim Chong Eu Expressway, Penang | 3 | Datuk Ong, a 32 year old businessman, was driving his car to Penang with his bodyguard and a passenger. The bodyguard, Ja'afar Halid, pulled out his gun and shot Ong. Ja'afar Halid's subsequent shooting also accidentally hit seven people at the scene, resulting in two more deaths and four injured. |
| Darul Quran Ittifaqiyah madrasa fire | September 14, 2017 | Kampung Datuk Keramat, Kuala Lumpur | 23 | Arson that was set by outsider drug addicts |
| 2018 Malaysia methanol poisonings | September 2018 | Malaysia | 45 | 45 people have been reported died of methanol poisoning from drinking fake liquor. Around 30 people including three Indian nationals, believed to be responsible for the distribution of cheap counterfeit liquor to retailers around Selayang and Desa Jaya which led to the methanol poisoning incident have been arrested |
