The Ontario Provincial Police (OPP) is the provincial police service of Ontario, Canada. The OPP patrols provincial highways and waterways; protects provincial government buildings and officials, with the exception of the legislative precinct; patrols unincorporated areas in northern Ontario; provides training, operational support, and funding to some Indigenous police forces; and investigates complex or multijurisdictional crimes across the province. The OPP also has a number of local mandates through contracts with municipal governments and First Nations, where it acts as the local police force and provides front-line services.
The Canadian Forces National Investigation Service (CFNIS) is the investigative arm of the Canadian Forces Military Police. The CFNIS is an independent military police unit that provides an independent investigative capability for the purpose of fair and impartial administration of military justice.
The Peel Regional Police (PRP) provides policing services for Peel Region in Ontario, Canada. It is the second largest municipal police service in Ontario after the Toronto Police Service and third largest municipal force in Canada behind those of Toronto and Montreal, with 2,200 uniformed members and close to 875 support staff.
The Halton Regional Police Service provides policing service for the Regional Municipality of Halton, which is located west of Toronto, in Ontario, Canada. Halton Region encompasses the City of Burlington and the Towns of Oakville, Milton and Halton Hills. As of July, 2020, the Halton Regional Police Service has over 1,000 members, including 718 sworn police officers and approximately 302 civilian and volunteer members. The service is responsible for policing a population of approximately 610,000 people in an area covering 692 square kilometers.
The York Regional Police (YRP) is the police service of the Regional Municipality of York, Ontario, Canada. YRP was formed in 1971 from the police forces maintained by the nine municipalities which amalgamated into York Region at the time. The force employs over 1,500 sworn members and 618 unsworn members as of 2015.
The Ottawa Police Service is the municipal police service of Ottawa, Ontario, Canada, as well as most of the Ontario side of the National Capital Region. The OPS employs 1,480 officers and 620 staff as of 2022, and serves an area of 2,790 square kilometres and 1,017,449 people, alongside several other police forces which have specialized jurisdiction. Formally established in 1855, the OPS gradually absorbed the police forces of other neighbouring municipalities as Ottawa itself expanded, and experienced multiple mergers and reforms in the process; the current OPS was established in 2001.
The Niagara Regional Police Service (NRPS) is a regional police service maintained by the Regional Municipality of Niagara in the Canadian province of Ontario. As of 2021, the force employed 774 sworn police officers and 326 non-sworn support staff members.
The Special Investigations Unit is the civilian police oversight agency of the province of Ontario, Canada. The SIU is responsible for investigating circumstances involving police that have resulted in a death or serious injury, or if a firearm was discharged at a person. The unit also investigates allegations of sexual assault. The unit's goal is to ensure that criminal law is applied appropriately to police conduct, as determined through independent investigations, increasing public confidence in the police services.
The Hamilton Police Service (HPS) is the police service of the city of Hamilton, Ontario, Canada. As of 2021, the service employed 829 sworn officers and 414 non-sworn staff, serving a population of about 570 000 residents. The service's headquarters are located at 155 King William St., Hamilton, Ontario. As of 2022, the service's budget is $183 542 539, roughly 18.5% of the City's overall budget. It is one of the oldest police forces in Ontario.
Law enforcement in Canada is the responsibility of police services, special constabularies, and civil law enforcement agencies, which are operated by every level of government, some private and Crown corporations, and First Nations. In contrast to the United States or Mexico, and with the exception of the Unité permanente anticorruption in Quebec and the Organized Crime Agency of British Columbia, there are no organizations dedicated exclusively to the investigation of criminal activity in Canada. Criminal investigations are instead conducted by police services, which maintain specialized criminal investigation units in addition to their mandate for emergency response and general community safety.
"E" Division is the division of the Royal Canadian Mounted Police in the province of British Columbia, Canada's westernmost province. It is the largest police body in the province, providing federal and provincial services throughout the province and policing all but 12 municipalities. In some urban areas, some municipalities have their own police forces while neighbouring ones contract with E Division. For example, Richmond is patrolled by E Division while neighbouring Vancouver has its own police force; both organizations contribute members and resources to various regional initiatives. E Division is the largest RCMP division, with 127 local detachments.
The Treaty Three Police Service (T3PS) is a self-administered First Nation Police service in Ontario, serving all Treaty 3 First Nations.
Auxiliary constables or reserve constables are unpaid citizens in Canada who volunteer their time and skills to a police force. They are uniformed, unarmed members who perform a similar role to their UK counterparts in the Special Constabulary. Their main function is to supplement the police force with additional manpower, with duties varying by appointment, geographical location and the needs of the specific detachment/department.
The Nishnawbe-Aski Police Service (NAPS), also occasionally known as the Nishnawbe Aski Police Service is the police agency for Nishnawbe-Aski Nation (NAN). As of July 2020, NAPS has 34 detachments in NAN communities across the territory covered by Treaty 9 and Treaty 5 within Ontario. Roland Morrison was sworn in as chief of police in 2019.
The Windsor Police Service is the municipal law enforcement agency in Windsor, Ontario, Canada. It succeeded the Royal Canadian Rifle Regiment.
The Cobourg Police Service (CPS) is a municipal police force in Cobourg, Ontario, Canada. As of 2021, the service employed 35 police officers, 28 special constables, and 11 auxiliary constables. The force is notable for its tiered police service delivery model, which it adopted in 2018, and the V13 Policetech Accelerator, which it operates alongside the Northumberland Community Futures Development Corporation. The Accelerator facilitates research and development partnerships between small or starting businesses and the CPS.
The Alberta Serious Incident Response Team is the civilian oversight agency in Alberta, Canada responsible for the investigation of incidents resulted in serious injury or death to any person, as well as serious or sensitive allegations of police misconduct. ASIRT has jurisdiction over all municipal police officers and Royal Canadian Mounted Police "K" Division officers, and for all complaints whether on or off duty related.
The Serious Incident Response Team is the civilian oversight agency in Nova Scotia, Canada responsible for the investigation of incidents resulted in serious injury or death to any person, sexual assault and domestic violence allegations and other significant public interest matters concerning the police. SiRT has jurisdiction over all municipal police officers and Royal Canadian Mounted Police "H" Division officers, and for all complaints whether on- or off-duty related.
The Office of the Independent Police Review Director is an independent civilian oversight agency that handles public complaints regarding police conduct in the Canadian province of Ontario. The agency oversees municipal police services and the Ontario Provincial Police.
