List of law enforcement agencies in Maryland

This is a list of law enforcement agencies in the state of Maryland.
According to the U.S. Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 142 law enforcement agencies employing 16,013 sworn police officers, about 283 for each 100,000 residents.

State agencies

County agencies

Municipal agencies

Aberdeen Police Department
Annapolis Police Department
Baltimore Police Department
Baltimore City Schools Police
Baltimore City Sheriff's Office
Baltimore City Environmental Police
Bel Air Police Department
Berlin Police Department
Berwyn Heights Police Department
Bladensburg Police Department
Boonsboro Police Department
Bowie Police Department
Brentwood Police Department
Brunswick Police Department
Cambridge Police Department
Capitol Heights Police Department
Centreville Police Department
Chestertown Police Department
Cheverly Police Department
Chevy Chase Village Police Department
Colmar Manor Police Department
Cottage City Police Department
Crofton Police Department
Crisfield Police Department
Cumberland Police Department
Delmar Police Department
Denton Police Department
District Heights Police Department
Easton Police Department
Edmonston Police Department
Elkton Police Department
Fairmont Heights Police Department
Federalsburg Police Department
Forest Heights Police Department
Frederick City Police Department
Frostburg City Police Department
Fruitland Police Department
Gaithersburg Police Department
Gibson Island Police
Glenarden Police Department
Greenbelt Police Department
Greensboro Police Department
Hagerstown Police Department
Hampstead Police Department
Hancock Police Department
Havre De Grace Police Department
Hurlock Police Department
Hyattsville City Police Department
Landover Hills Police Department
La Plata Police Department
Laurel Police Department
Manchester Police Department
Morningside Police Department
Mount Airy Police Department
Mount Rainier Police Department
New Carrollton Police Department
North East Police Department
Oakland Police Department
Ocean City Police Department
Ocean Pines Police Department
Oxford Police Department
Perryville Police Department
Pokomoke City Police Department
Princess Anne Police Department
Ridgley Police Department
Rising Sun Police Department
Riverdale Park Police Department
Rockville City Police Department
Rock Hall Police Department
St. Michaels Police Department
Salisbury Police Department
Seat Pleasant Police Department
Smithsburg Police Department
Snow Hill Police Department
Sykesville Police Department
Takoma Park Police Department
Taneytown Police Department
Thurmont Police Department
University Park Police Department
Upper Marlboro Police Department
Westminster Police Department

University agencies

Anne Arundel Community College, Department of Public Safety & Police
Baltimore City Community College Department of Public Safety
Bowie State University, Department of Public Safety
Breakthrough Bible College Police Office of Law Enforcement & Public Safety
Carroll Community College Campus Police Department
Cecil College Public Safety
Community College of Baltimore County Department of Public Safety
Coppin State University Police Department
Frostburg State University Police Department
Harford Community College Department of Public Safety
Hood College Department of Campus Safety
Johns Hopkins University Campus Safety and Security
Loyola University Maryland Department of Public Safety
McDaniel College Department of Campus Safety & Campus Police Unit
Montgomery College Public Safety
Morgan State University Police Department
Prince George's Community College Campus Police Department
Salisbury University Police Department
St. Mary's College of Maryland Office of Public Safety
St. Johns College Public Safety
Towson University Police Department
United States Naval Academy - Naval Support Activity - Annapolis Police
University of Baltimore Police Department; Defunct
University of Maryland, Baltimore Police Department
University of Maryland, Baltimore County Police Department
University of Maryland, College Park Police Department
University of Maryland, Eastern Shore Department of Public Safety

Law enforcement units within fire agencies

Annapolis Fire Department - Office of the Fire Marshal
*Bomb Squad
Anne Arundel County Fire Department - Office of the Fire Marshal
Montgomery County Fire and Rescue Service - Fire & Explosive Investigations
*Bomb Squad
Prince George's County Fire/EMS Department - Office of the Fire Marshal
*Bomb Squad
Howard County Department of Fire and Rescue Services - Office of the Fire Marshal
City of Hagerstown Fire Department - Office of the Fire Marshal
Ocean City Fire Marshal Office
*Bomb Squad

Other agencies

Aberdeen Proving Ground Police
Amtrak Police
CSX Railroad Police
Federal Protective Service
Fort Detrick Police
Fort Meade Police
Gibson Island Police
Maryland-National Capital Park Police
Metro Transit Police Department
National Institutes of Health Police
National Institute of Standards and Technology Police
National Security Agency Police
Office of the United States Marshal for the District of Maryland
United States Naval District of Washington Police - Naval Support Activity - Annapolis & US Naval Academy
United States Park Police
United States Special Investigation Service
National Park Service Ranger
United States Coast Guard Police Department, Baltimore
United States Department of Veterans Affairs Police
United States Naval District of Washington Police - Naval Support Activity - Bethesda
United States Naval District of Washington Police - Naval Support Facility - Indian Head
United States Naval District of Washington Police - Naval Air Station - Patuxent River
Naval Criminal Investigative Service
United States Army Criminal Investigations Division Command

Defunct agencies

Housing Authority of Baltimore City Police Force
Baltimore City Park Police
Barton Police Department
Charlestown Police Department
Chesapeake Beach Police Department
Clear Spring Police Department
Emmitsburg Police Department
Goldsboro Police Department
Kitzmiller Police Department
Leonardtown Police Department
Lonaconing Police Department
Luke Police Department
North Beach Police Department
New Windsor Police Department
Port Deposit Police Department
Sparrows Point Police Department
Trappe Police Department
Union Bridge Police Department
University of Baltimore Police Department
Westernport Police Department
Williamsport Police Department
Willards Police Department
Woodland Beach Police Department
Allegany County Bureau of Police
Naval Station Annapolis Police Department
US Naval Academy Police Department