This page uses content from Wikipedia and is licensed under CC BY-SA.
Gangs in Canada are mostly present in the major urban areas of Canada, although their activities are not confined to large cities.
The most prevalent gangs in Canada include:
According to a 2004 police report, "The Hells Angels remain some of the largest and most powerful motorcycle gangs in the country, with growing influence in British Columbia and Ontario. Its presence has declined in other provinces due to police efforts, internal conflict and increased competition from other crime groups."
The same report stated that Aboriginal street gangs are not as highly organized as other criminal organizations in Canada, but are amongst the most violent. Aboriginal people also constitute a significant portion of prison populations throughout Canada, and the number of First Nation inmates continues to rise at a considerable rate. As of 2005 it is believed over 1000 Aboriginal youths were members of street gangs.
According to the Criminal Intelligence Service Canada (CISC), "The established, well-financed and -connected Hong Kong Triad groups and crime syndicates remain, to our mind, the biggest long-term threat to Canadian law enforcement and society."
Known crime groups in Abbotsford involve Punjabi street gangs, various East Asian crime groups, motorcycle gangs, and multicultural street gangs.
However, there has been a gang conflict in the city mostly in West end part of the city in the Townhill Area. The gang conflict is between two South Asian gangs which involves 40 men in total between the ages of 15 to 25.
According to the Abbotsford Youth Crime Prevention Project has assessed groups of people deemed to be most vulnerable to becoming part of a gang in the city.
Major crime groups in Calgary include Aboriginal street, East Asian (Filipino/Chinese/Vietnamese) street gangs, Middle Eastern/Lebanese organized crime gangs, Punjabi street gangs  and Black street gangs, among others are biker gangs, Mexican drug cartels, Somali/Sudanese drug trafficking groups, Afghani Street Gangs and Kashmiri street gangs.
Between 2002-2009 there was a bloody gang war between two rival East Asian gangs the FK and FOB gangs which resulted in 25 gang related murders. Not only East Asians were involved but there were also White, (East) Indian, and in some cases Black gang members part of these gangs. Disputes over the illegal distribution of fentanyl have broken out within the Middle Eastern community (with some being Lebanese). Similar to the Asian street gangs of the early 2000s, these are not therefore from exclusively one ethnicity.
Major crime groups in Edmonton have been identified as most being Aboriginal, Black (Central African/Jamaican), Middle Eastern (Somali/Persian/Lebanese), East Asian (Chinese/Vietnamese/Filipino) and Central/Eastern European across a similar broad social spectrum. With other crime groups involved in Edmonton as well such as Hispanic gangs, biker gangs, Aryan Nation groups, and Punjabi street gangs.
However recently the arrival of Mexican drug traffickers, along with increased activity by outlaw motorcycle gangs, is changing the face of organized crime in Alberta especially in the major cities of Edmonton along with Calgary.
Biker gangs have, at various points, played a major role in Halifax's crime scene, particularly during the 1980s and 1990s. However, a crackdown on biker gang activity throughout Eastern Canada, in the wake of the Quebec Biker War. Most biker gangs are composed of extended families or of close associates, providing little scope for recruitment or promotion from outside. The well-known Bloods and Crips have been part of Halifax's gang environment as well.
The area in and around Hamilton was once home to organized crime figure Rocco Perri, so-called Canada's Al Capone, and Johnny Pops Papalia. Murders of traditional mobsters in 2017 and 2018 indicate that the group is still active. After the September 2018 killing of real estate agent Al Iavarone, police sources told the Toronto Star that the hit was in retaliation for previous actions against the Musitano crime family as part of a "dispute between two Niagara Region groups of mobsters who are both tied to the New York State [Buffalo] mob. A news report stated that "there has been a resurgence of mafia-related crime in the greater Toronto and Hamilton areas in the last couple of years, leading police to believe there may be a 'power struggle'".
Gangs in Montreal are mostly Caucasian (most Italian, French, Irish and Russian) but there are minority gangs which are mostly of Jamaican, Haitian, Hispanic, Lebanese, Asian, Sri Lankan, or Cambodian descent. United smaller street gangs made up of mostly youths are pocketed in different areas of the Montreal area, particularly in Montréal-Nord, St-Michel, Parc-Extension, Ville Saint-Laurent(St-Low), Côte-des-Neiges, NDG, Rivière-des-Prairies ,Saint-Francois , Laval and St-Léonard neighbourhoods.
Major crime groups in Ottawa involve White/Irish gangs, Biker gangs, Arab street gangs, and East Asian crime groups. Many other crime groups also exist mainly Lebanese and Somali. In Ottawa, by the early twentieth-century, drive by shootings were rare and most gang activity involved narcotic distribution.
Adult gangs in Saskatchewan are almost entirely aboriginal based. The largest gang activity is in Regina and Saskatoon. There is also a branch of the Hells Angels in the province. Youth gangs are also almost entirely aboriginal based. Saskatchewan had the highest concentration of gang membership in Canada at 1.34 per 1000 in 2002 There are possibly 108 street gangs for the Prairie region.[unreliable source?]
Certain neighbourhoods in Toronto have experienced gang and organized crime activity including human trafficking, firearm trafficking, drug trafficking, robbery, and Mafia/mob activity.
A police survey found that most youth gangs in Ontario and the GTA are ethnically African/Caribbean (Somali/Jamaican/Haitian/Guyanese), Caucasian (Italian/Russian/Portuguese/Albanian/Polish/Greek/Spanish), and South Asian (Indian/Punjabi/Pakistani/Tamil). There are also a number of Asian (Filipino/Chinese-Tibetan/Vietnamese/Cambodian/Korean) and Latino gangs in the area. Other minor groups are Biker gangs, Supremacist groups, and Mexican drug cartels, Middle Eastern (Persian/Afghan) gangs and Aboriginal street gangs.
Although Toronto's murder rate remains low, there has been a recent rise in gun violence in the downtown core of the greater Toronto area. The two most focal incidents were the Boxing Day shooting, a shootout between rival gangs that resulted in the death of 15-year-old bystander Jane Creba on December 26, 2005 on Yonge Street, and a mall food court shooting at the Eaton Centre on June 2, 2012, which left two dead and injured seven others, including a 13-year-old boy. Hassan was considered to be the targeted victim and is considered to be gang-affiliated while others were considered innocent bystanders.
In June 2015, RCMP led police raids across the Greater Toronto Area, named Project OPhoenix, which resulted in the arrest of 19 men, allegedly affiliated with the 'Ndrangheta.  Testimony during the trial revealed that the crime group was still very active as recently as 2015, with activities in mortgage and bank fraud as well as cocaine trafficking. 
In June 2018, Cosimo Ernesto Commisso, of Woodbridge, Ontario and an unrelated woman were shot and killed. According to sources contacted by the Toronto Star, "Commisso was related to Cosimo "The Quail" Commisso of Siderno, Italy, who has had relations in Ontario, is considered by police to be a "'Ndrangheta organized crime boss".
During the investigation of the apparent mob hit of Albert Iavarone in September 2018, a Police investigator made this comment. "If you look back over the last couple years there has been a number of murders, a number of bombings, a number of arsons throughout the GTA and up to as far as Montreal. It is our belief that there is something going on in the underworld. We are not sure if this particular case factors into that but is something we are alive to".
Known crime groups in Brampton include mainly South Asian and Black gangs but there are a few White, Portuguese, and Filipino gangs in the city. Members in SPG(Springdale) are 85% Punjabi, 10% Pakistani, 5% Tamil, while TGOD(Turner) was made up of 90% Punjabi and 10% Pakistani. Current feuds in the city have led to alliances such as Northside and TGORE, with Northside being made up of SPG, F-block(Fletchers), NPG(North Park Gang) and MLT(Malton), TGORE is made up of TGOD, Swood, Gore and Ray Lawson. Most areas are claimed by the Punjabi gangs and racial tensions between gang members in the city are mostly between South Asians and Blacks and to a less extent with Afghans feuding with Pakistanis such as KNK and AFG. Most black gangs in the city claim Crip and are gang members formerly living in Toronto and moving to Brampton townhouse complexes and apartments. Several alliances between notorious drug dealers such as Young Plug and Crip Fueler are also considered a gang (Gore Rippers). Many of the identities of the Gore Rippers is unknown, but they are well respected within the community. Young Plug is known to have gone ghost in 2012, but it is rumoured he has resurfaced in early 2017. 
There are dozens of tribes of gangs in Scarborough, but the most common ones that are seen are the Afghan street gangs, Tamil street gangs, Chinese street gangs, and West Indian (Caribbean) street gangs.
According to law enforcement agencies, the most significant crime groups in Vancouver are the motorcycle gangs (such as the Hells Angels), East Asian street gangs (mostly Vietnamese drug gangs/Asian-Chinese Triads), and Punjabi street gangs, although others exist (mainly Eastern European, Persian, or Italian Based groups) Other minor crime groups quite often Mexican drug cartels, and Aboriginal street gangs are also seen in the metro area. However, in recent years, "multicultural" street gangs have grown significantly in power and prominence, and have attained much media attention due to their involvement in numerous shootings and slayings throughout the city, including the 2009 Vancouver gang war.
According to the Combined Forces Special Enforcement Unit of British Columbia the ethnicities of people who died from a total of 160 gang related deaths in British Columbia between January 2006 to March 2014 were:
▸ Caucasian/White (74 victims; 46.3%)
▸ South Asian (predominantly Punjabis) (34 victims; 21.3%)
▸ East Asian (most Chinese or Vietnamese) (33 victims; 20.6%)
▸ Middle Eastern (mostly Persian) (10 victims; 6.3%)
▸ First Nations (6 victims; 3.8%)
▸ Hispanic (3 victims; 1.9%)
▸ African/Caribbean (0 victims; 0%)
Major crime groups in the city are the South Asian (predominantly Punjabi) street gangs, East Asian (mainly Vietnamese) street gangs, biker gangs. Gangs have operated in Surrey, leading to an increase in the murder rate, although this almost ceased; the police claimed this was because the perpetrators had left the country. Most gangs within the city today battle out in Surrey's Newton community, predominantly but inexclusively amongst the South Asian community.
Winnipeg's gang activity consists heavily of Aboriginal criminals, with a smaller number of other ethnic groups namely European, East Asian (Filipino/Vietnamese) and African gangs; it has been described as the Aboriginal gang capital of Canada.