This is a list of law enforcement agencies in the District of Columbia.
According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the District has six local law enforcement agencies employing 4,262 sworn police officers, about 722 for each 100,000 residents. This is the highest proportion of police officers to citizens of any state or territory.
The oldest agencies are the:
The majority of federal law enforcement agencies have some type of jurisdiction and/or headquarter offices in the District of Columbia; however, some are more overt than others.
Under Trump's 2025 Executive Orders 14252 "Making the District of Columbia Safe and Beautiful" and 14333 "Declaring a Crime Emergency in the District of Columbia", multiple federal agencies that do not normally provide policing in the District of Columbia were deployed to patrol the streets and supplement local law enforcement agencies. Over 20 federal agencies and units participate or have participated in the D.C. Safe and Beautiful Task Force established by the administration. This task force is chaired by the Assistant to the President and Homeland Security Advisor, currently Stephen Miller. The following is a list of agencies that were reported or sighted in the DC since the federal intervention began who have expanded their operations in the area or started operating in the area under the 2025 executive orders.