This is a list of law enforcement agencies in the state of Wisconsin.
According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 529 law enforcement agencies employing 13,730 sworn police officers, about 186 for each 100,000 residents.
State agencies
- Wisconsin Capitol Police
- Wisconsin Department of Corrections
- Wisconsin Department of Justice
- Wisconsin Department of Natural Resources
- Division of Forestry
- Foresters, Forester-Rangers
- Division of Enforcement and Science; Bureau of Law Enforcement
- Conservation Wardens, Deputy Conservation Wardens
- Division of Forestry
- Wisconsin Department of Transportation
- Wisconsin State Patrol
- Troopers, Inspectors
- Wisconsin State Patrol
- Wisconsin State Fair Park Police Department
County agencies
Municipal agencies
College and university agencies
- Marquette University Police Department
- University of Wisconsin - Eau Claire Police Department
- University of Wisconsin - Green Bay Police Department
- University of Wisconsin - La Crosse Police Department
- University of Wisconsin - Madison Police Department
- University of Wisconsin - Milwaukee Police Department
- University of Wisconsin - Oshkosh Police Department
- University of Wisconsin - Parkside Police Department
- University of Wisconsin - Platteville Police Department
- University of Wisconsin - River Falls Public Safety Department
- University of Wisconsin - Stevens Point Protective Services
- University of Wisconsin - Stout Police Department
- University of Wisconsin - Superior Campus Safety Office
- University of Wisconsin - Whitewater Police Services Department
Indian nations
- Lac Courte Oreilles Tribal Police Department
- Mohican Nation Tribal Police Department
•Lac Du Flambeau Tribal police department
Other groups
- Lake Winnebago Metropolitan Enforcement Group ’’MEG’’
- Northcentral Drug Enforcement Group ‘’NORDEG’’
References

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