| Name | Date | Location | Deaths | Notes | 
|---|
| Princesa Farm massacre | 1985 September 11 | Marabá, Pará | 5 | Murder and torture of five rural workers who occupied an area of the farm owned by Marlon Pidde in Marabá, southeastern Pará. [31] | 
| Pena Verde massacre | 1986 December 31 | Ribas do Rio Pardo, Mato Grosso do Sul  [32] | 6 | Serial killer Osvaldo de Paula Silva, nicknamed Buickinho, kills six people, five of them teenagers, on a farm in Ribas do Rio Pardo. [33]  [34]  [35]  [36] | 
| Carandiru riot 1987 | 1987 July 29 | São Paulo | 31 | [37] | 
| Helmet massacre | 1988 March 28 | Amazonas | 4 | 19 wounded, government workers massacre unarmed Ticuna people. | 
| 1988 CSN strike | 1988 November 9 | Volta Redonda Rio de Janeiro | 3 | 100+ wounded. Three workers die in an attempt by the police and the army to retake control of the steel company facilities. Two of the workers are shot and taken by their colleagues to a hospital. One was found with heavy bruises on the head. [38]  [39]  [40]  [41] | 
| 1989 Santa Elmira massacre | 1989 March 11 | Rio Grande do Sul | 19 | 400 injured, MST workers attempted to occupy an area in Salto do Jacuí, but are shot at by UDR rural owners. [42]  [43] | 
| Attack on post of the Brazilian Army on the Traíra River | 1991 February 26 | Taraíra River, Amazonas | 3 | FARC guerrillas assault the Solimoes river control post in the remote region of the Traira River, near the border with Colombia. The attack leaves three Brazilian soldiers dead and nine wounded. In response, the Brazilian army launches Operation Traira. [44]  [45] | 
| Carandiru massacre | 1992 October 2 | São Paulo | 111 | The massacre is triggered by a prisoner revolt within the prison. The police make little if any effort to negotiate with the prisoners before the military police storm the building, as the prison riot becomes more difficult for prison guards to control. The resulting casualties are 111 prisoners killed and 37 more injured. | 
| Haximu massacre | 1993 June – July | Haximu, Brazil | 16-73 | Garimpeiros (illegal gold miners) kill Yanomami people. | 
| Candelária massacre | 1993 July 23 | Rio de Janeiro | 8 | Police massacre 8 homeless people. | 
| Vigário Geral massacre | 1993 August 29 | Rio de Janeiro | 21 | Rio military police attack random people in retribution for being attacked by gangs. | 
| PAAR killings | 1995 May 29 | Ananindeua, Pará | 7 (including the perpetrators) | A group of 5 criminals led by Paulo Mapará, invade the Conjunto PAAR police station, in Ananindeua, and kill 2 police officers, 2 investigators, and 1 delegate. [46]  [47]  [48] | 
| Slaughter of Corumbiara | 1995 August 9 | Corumbiara Rondônia | 12 (Officially) | Conflict between police officers and landless peasants results in the death of 12 people, including a nine-year-old child and two police officers, with 64 injured [49]  [50] | 
| Eldorado dos Carajás massacre | 1996 April 17 | Pará | 19 | Protesters of the Landless Workers' Movement, attempting to occupy a large private ranch, were shot by military police. | 
| Invasion of the Cikel farm | 1996 June 11 | Buriticupu, Maranhão | 4 | [51]  [52]  [53] | 
| São Paulo State Sanitation Company Shooting | 1996 December 18 | São Paulo | 4 (including the perpetrator) | Marcelo Kenji Yoshino  killed three people and wounded two others in São Paulo, before committing suicide. [54]  [55] | 
| Santo Antônio do Potengi massacre | 1997 May 21–22 | Santo Antônio do Potengi, São Gonçalo do Amarante, Rio Grande do Norte | 15-16 (including the perpetrator) | Former military man Genildo Ferreira de França kills 14 or 15 people and injures one in a 2-day shooting in Santo antônio do Potengi, in revenge for comments about his sexual orientation, before committing suicide when cornered by police. | 
| Beco do Candeeiro Massacre | 1998 July 10 | Cuiabá, Mato Grosso | 3 | Three teenagers are shot to death by an unknown gunman. [56] | 
| Jaboticabal massacre | 1999 April 10 | Jaboticabal, São Paulo | 3 | Worker Edson de Oliveira Lima kills three young people aged 10, 12, and 18. [57]  [58]  [59]  [60]  [61] | 
| 1999 Guarujá massacre | 1999 June 9 | Guarujá, São Paulo | 4 | Four men are shot dead in the Morro do Engenho favela, in Guarujá. [62] | 
| Morumbi Shopping shooting | 1999 November 3 | Vila Cordeiro, São Paulo | 3 | 4  wounded. [63]  [64] | 
| Salto massacre | 2000 August 25 | Salto, São Paulo | 5 | Five people, including three teenagers, are killed inside a house in downtown Salto. [65]  [66] | 
| Portuguese massacre | 2001 August 12 | Fortaleza, Ceara | 6 | A Portuguese immigrant lures six Portuguese businessmen with the promise of women; the perpetrator abducts the victims and beats them to death after drawing out 46 thousand reals from their credit cards. [67]  [68]  [69]  [70]  [71]  [72]  [73] | 
| Compaj massacre | 2002 May 25 | Manaus, Amazonas | 13 | [74] | 
| Bangu prison 1 riot | 2002 September 11 | Complexo Penitenciário de Gericinó, Gericinó, Rio de Janeiro | 4-6 | Between 4 and 6 inmates are murdered in a prison riot. [75]  [76]  [77] | 
| Roosevelt Reservation Massacre | 2004 April 7 | Espigão d'Oeste, Rondonia | 29 | 29 prospectors are killed by Cinta Larga Indians after illegally entering the Indians' reservation. [78]  [79]  [80] | 
| Vertente do Lério massacre | 2004 August 12 | Vertente do Lério, Pernambuco | 4 | Four people are shot dead in Vertente do Lério. [81] | 
| Sé killings | 2004 August 19–22 | São Paulo | 7 | Seven homeless people are beaten to death in the centre of São Paulo. Two military police officers and a private security guard are subsequently charged with the killings. However, the charges are dropped on the grounds of insufficient evidence. [82]  [83]  [84]  [85]  [86]  [87]  [88]  [89]  [90] | 
| Parque Oeste massacre | 2005 February 16 | Goias | 2 | Landless farmers occupying a large ranch are shot by police. 40 wounded. Unknown missing. Over 20 killed in aftermath. | 
| Baixada massacre | 2005 March 31 | Baixada Fluminense | 29 | A military police officer shoots and kills dozens of Brazilians after forming a gang, and was sentenced to 543 years in prison. 2 wounded. | 
| May Crimes | 2006 May 12–17; July 12–17 | São Paulo (state) and other parts of the country | 564 | 110 wounded. [91]  [92] | 
| Complexo do Alemão massacre | 2007 June 27 | Rio de Janeiro | 19 |  | 
| Ponte Nova Prison Massacre | 2007 August 23 | Ponte Nova, Minas Gerais | 25 | Prisoners escape and set fire to the cell of a group of rivals. [93]  [94] | 
| Arame Massacre | 2009 April 8 | Arame, Maranhão | 6 | Six criminals are killed by police officers during attempted postal bank robbery in Arame. [95]  [96]  [97] | 
| Rangel Killings | 2009 July 9 | Rangel, João Pessoa, Paraíba | 5-7 | Five members of the same family, including a woman pregnant with twins, are murdered with a knife and sickle. [98]  [99] | 
| Uberaba massacre | 2009 October 3 | Uberaba, Curitiba, Paraná | 8 | 2 wounded. [100]  [101]  [102] | 
| Rio de Janeiro security crisis | 2010 November 21–28 | Rio de Janeiro | 41 | 4  wounded. | 
| Rio de Janeiro school shooting | 2011 April 7 | Rio de Janeiro | 12 | 20 wounded. All are children aged 10–13. | 
| Icoaraci Massacre | 2011 November 19 | Icoaraci, Belém, Pará | 6 | Six teenagers are murdered by an extermination group. [103]  [104]  [105]  [106] | 
| Pesseghini case | 2013 August 5 | Brasilândia, São Paulo | 5 | Five members of the Bovo Pesseghini family are killed. | 
| Ouro Verde massacre | 2014 January 12–13 | Ouro Verde, Campinas, São Paulo | 12 | 12 people are killed in a series of murders committed by five former military police officers in an area of Ouro Verde, Campinas. [107]  [108] | 
| Cabula Massacre | 2015 February 6 | Cabula, Salvador, Bahia | 12 | Police execute twelve black boys and men with shots to the neck in the Vila Moises area, in the Cabula neighborhood, in the city of Salvador; 6  wounded. [109]  [110] | 
| Pavilion 9 Massacre | 2015 April 18 | São Paulo | 8 | Murder of eight members of the Pavilion 9  [ pt ] fan organization of the Corinthians sport club, by three armed men. [111]  [112]  [113]  [114]  [115]  [116]  [117] | 
| Costa Barros Killings | 2015 November 28 | Costa Barros neighborhood, Rio de Janeiro | 5 | Murder of five young people by military police. [118]  [119]  [120]  [121]  [122] | 
| Agricultural Penitentiary of Monte Cristo riot | 2016 October 16 | Boa Vista, Roraima | 25 |  | 
| Campinas massacre | 2016 December 31 | Campinas, São Paulo | 13 (including a perpetrator) | A man angry that his ex-wife left him went to a New Year's party his ex-wife's family was holding, and fatally shot her, her family, and his son; with 3 wounded, as well. | 
| 2017 Manaus Prison riot | 2017 January 1 | Manaus | 56 | [123] | 
| Military Police of Espírito Santo Strike | 2017 February 4–25 | Espírito Santo | 215 | 215 people were killed in Espírito Santo during the violence. | 
| Porto Seguro Massacre | 2017 February 5 | Porto Seguro Bahia | 8 | 8 people killed and one injured by nine gunmen. [124]  [125] | 
| 2017 Santa Lúcia massacre | 2017 May 24 | Fazenda Santa Lúcia, Pau d'Arco, Pará | 10 | 17 military and civilian police shoot and kill 10 farm-occupying activists associated with the Landless Workers' Movement. [126]  [127]  [128]  [129] | 
| Janaúba massacre | 2017 October 5 | Minas Gerais | 14 | A daycare security guard locks himself in a room with children between the ages of 3 and 7, douses the children and the room with fuel, and sets the fuel alight; 37 wounded as well. | 
| Compensa Massacre | 2017 December 12 | Compensa, Manaus, Amazonas | 6 | An armed group opens fire on football field in Manaus and kills six. [130]  [131] | 
| Fortaleza Nightclub Shooting | 2018 January 27 | Cajazeiras, Fortaleza | 14 | 9  wounded. [132]  [133] | 
| Campinas Cathedral shooting | 2018 December 11 | Campinas, São Paulo | 5 (including the perpetrator) | 4 injured. | 
| Suzano school shooting | 2019 March 13 | Suzano | 10 (including the perpetrators) | Former students of a Brazilian school shoot up a car shop and then the school. 11 injured. | 
| Belém bar shooting | 2019 May 19 | Belém, Pará | 11 | A group of heavily armed men — riding on a motorcycle and in three cars — go on a shooting rampage at a bar in Brazil, killing at least 11 people on a Sunday. [134]  [135] | 
| Amazonas prison massacres | 2019 May 26–27 | Amazonas | 55 |  | 
| 2019 Altamira prison riot | 2019 July 29 | Altamira, Pará | 62 | 16 prisoners are beheaded, and a further 41 people die from inhaling smoke from a fire lit at the beginning of the riot. [136] | 
| Saudades massacre | 2021 May 4 | Saudades, Santa Catarina | 5 | An 18-year-old man, Fabiano Kipper Mai, breaks into a daycare center with a machete in hand, killing 2 teachers and three children, as well as injuring a fourth. The attacker tries to commit suicide by cutting his neck, but survives and is rushed to the hospital. | 
| 2021 Rio de Janeiro shootout | 2021 May 6 | Jacarezinho, Rio de Janeiro | 29 | At least 29 people were killed in a shootout between police and drug traffickers | 
| Ceilândia killings | 2021 June 9 | Ceilândia, Federal District | 4 | The Serial Killer Lázaro Barbosa de Souza kills four members of a family in Ceilândia. [137]  [138] | 
| Varginha Massacre | 2021 October 31 | Varginha, Minas Gerais | 26 | 26 suspected members of a gang of bank robbers are killed in a police operation. [139]  [140]  [141]  [142]  [143] | 
| Sapiranga massacre | 2021 December 25 | Sapiranga, Fortaleza, Ceará | 5 | A group of hooded men shoot at a soccer field in the region of Sapiranga, in Fortaleza, leaving five dead and six injured. [144]  [145] | 
| Gamboa Massacre | 2022 March 1 | Gamboa, Salvador, Bahia | 3 | Police kill three young black men in the Gamboa community in Salvador. [146]  [147] | 
| Vila Cruzeiro shootout | 2022 May 24 | Rio de Janeiro | 25 | 6 wounded | 
| 2022 Complexo do Alemão operation | 2022 July 2022 | Rio de Janeiro | 19 |  | 
| Aracruz school shootings | 2022 November 25 | Aracruz, Espírito Santo | 4 | A 16-year-old neo-nazi former student opens fire at two schools in Brazil, killing four and injuring 12. [148] | 
| Familicide in the Federal District | 2023 January | Federal District | 10 | Murder of 10 people from the same family between the end of December 2022 and mid-January 2023. | 
| Sinop massacre | 2023 February 21 | Sinop, Mato Grosso | 8 (including a perpetrator) | Two gunmen opened fire at a bar in Sinop, killing seven people, including a 12-year-old girl. | 
| Blumenau massacre | 2023 April 5 | Blumenau, Santa Catarina | 4 | 5 wounded. [149]  [150] | 
| Barra da Tijuca killings | 2023 October 5 | Barra da Tijuca, Rio de Janeiro | 3 | Three doctors die and another is injured in an attack committed by criminals who mistook one of the victims for militiaman Taillon Barboza. [151]  [152] | 
| Lajes massacre | 2024 September 7 | Lajes Village, Nossa Senhora Aparecida, Sergipe | 6 | Six people are shot dead in a car in the village of Lajes, in Nossa Senhora Aparecida, after an argument during a snooker championship. [153]  [154] | 
| Heliópolis school shooting | 2024 October 18 | Heliópolis, Bahia | 4 (including the perpetrator) | 14-year-old student Samuel Santana Andrade fatally shoots three people before committing suicide. [155]  [156] |