| Name | Date | Location | Deaths | Method | Notes |
| Christchurch mosque shootings | | Christchurch, Canterbury | | Firearms | 51 killed and 49 injured. Occurred at two mosques in Christchurch: Al Noor Mosque and Linwood Islamic Centre. Australia-born Brenton Harrison Tarrant pleaded guilty to murder and engaging in a terrorist act. |
| Raurimu massacre | | Raurimu, King Country | | Firearm | Also 4 wounded. Stephen Anderson found not guilty of murder by reason of insanity. |
| New Empire Hotel arson | | Hamilton | | Fire | Alan Wayne Lory convicted of manslaughter. |
| Bain family murders | | Dunedin | | Firearm | David Bain convicted, but acquitted in a re-trial. |
| Ratima family murders | | Masterton | | Hammer, knife | Raymond Wahia Ratima convicted of murder. |
| Schlaepfer family murders | | Paerata, Auckland Region | | | Shooter among dead. |
| Aramoana massacre | - | Aramoana, Otago | | Firearm | 3 injuries. Shooter among dead. |
| Noema Rika murders | | Ōtaki, Kapiti Coast | | | Shooter among dead |
| Featherston prisoner of war camp riot | | Featherston, Wairarapa | | | 80 wounded |
| 1941 Kowhitirangi shootings | - | Kowhitirangi, West Coast | | | Shooter among dead |
| Henare Hona murders | | Morrinsville, Waikato | | | Shooter among dead |
| Himatangi massacre | | Himatangi, Manawatu | | | Unsolved shooting and arson, possibly murder/suicide |
| Waikino schoolhouse shooting | | Waikino, near Waihi | | Firearm, also armed with 3 sticks of gelignite | Also 6 others wounded. Local farmer John Christopher Higgins sought revenge over alleged persecution |
| Maungatapu murders | | Maungatapu, Tasman | | | Three members of a gang led by Richard Burgess were hanged for the murders |
| Finnigan family murders | | Otahuhu, Auckland | or 5 | | Also spelt Finnegan in contemporary sources. James Stack was convicted and hanged in April 1866 |
| Maketū Wharetōtara murders | | Kororareka, Northland | | | Maketū Wharetōtara, also known as Wiremu Kīngi Maketū, became the first person officially executed in New Zealand |
| Invasion of the Chatham Islands | | Chatham Islands | | Part of the Musket Wars | |
| Siege of Pukerangiora | | Waitara River, Taranaki | | Part of the Musket Wars | |
| Boyd massacre | | Whangaroa Harbour, Northland | | | |
| Revenge attacks following death of Marion du Fresne | - | Bay of Islands, Northland | | | |
| Death of Marion du Fresne | | Bay of Islands, Northland | | | |
