This is a list of law enforcement agencies.
United States
Federal Agencies
- US Border Patrol
- US Park Police
- US Postal Police
- US Secret Service
- Department of Defense Police
- Office of Naval Intelligence Police
- Pentagon Police
- Federal Bureau of Investigation Police
- Federal Protective Service Police
State Police Agencies
- Alabama Highway Patrol
- Alaska State Troopers
- Arizona Highway Patrol
- Arkansas State Police
- California Highway Patrol
- Colorado State Patrol
- Connecticut State Police
- Delaware State Police
- Florida Highway Patrol
- Georgia State Patrol
- Indiana Highway Patrol
- Maryland State Police
- New Jersey State Police
- Texas Rangers (law enforcement)
- Virginia State Police
- West Virginia State Police