This list is incomplete; you can help by adding missing items. (August 2008)

This is a list of law enforcement agencies in the Commonwealth of Massachusetts.

According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 357 law enforcement agencies employing 18,342 sworn police officers, about 280 for each 100,000 residents.^[1]

Federal Agencies

These are federal agencies that have common operations within the state.

State agencies

Office of the Treasurer and Receiver General of Massachusetts
- Alcoholic Beverages Control Commission
  - Enforcement Division ^[2]
Massachusetts Attorney General's Office
Massachusetts Executive Office of Energy and Environmental Affairs
- Massachusetts Environmental Police^[3]
Massachusetts Executive Office of Public Safety and Security
- Massachusetts State Police^[4]
- Massachusetts Department of Correction^[5]
Massachusetts Court System
- Executive Office of the Trial Court
  - Trial Court Security Department^[6]

County agencies

Barnstable County Sheriff's Office
Berkshire County Sheriff's Office
Bristol County Sheriff's Office
Dukes County Sheriff's Office
Essex County Sheriff's Office
Franklin County Sheriff's Office
Hampden County Sheriff's Office
Hampshire County Sheriff's Office
Middlesex County Sheriff's Office
Nantucket County Sheriff's Office
Norfolk County Sheriff's Office
Plymouth County Sheriff's Office
Suffolk County Sheriff's Department
Worcester County Sheriff's Office

Municipal agencies

Abington Police Department
Acton Police Department
Acushnet Police Department
Adams Police Department^[7]
Agawam Police Department^[8]
Alford Police Department
Andover Police Department
Amesbury Police Department
Amherst Police Department
Arlington Police Department
Ashburnham Police Department
Ashby Police Department
Ashfield Police Department
Ashland Police Department
Aquinnah Police Department
Athol Police Department
Attleboro Police Department^[9]
Auburn Police Department
Avon Police Department
Ayer Police Department
Barnstable Police Department^[10]
Barre Police Department
Becket Police Department
Bedford Police Department^[11]
Belchertown Police Department
Bellingham Police Department
Belmont Police Department
Berkley Police Department^{[citation needed]}
Berlin Police Department^{[citation needed]}
Bernardston Police Department
Beverly Police Department
Billerica Police Department
Blackstone Police Department^{[citation needed]}
Blandford Police Department^[12]
Bolton Police Department
Boston Police Department^[13]
Bourne Police Department^[14]
Boxborough Police Department
Boxford Police Department
Boylston Police Department
Braintree Police Department^[15]
Brewster Police Department
Bridgewater Police Department
Brimfield Police Department
Brockton Police Department^[16]
Brookfield Police Department
Brookline Police Department
Buckland Police Department
Burlington Police Department
Cambridge Police Department^[17]
Canton Police Department
Carlisle Police Department
Carver Police Department
Charlemont Police Department
Charlton Police Department
Chatham Police Department
Chelmsford Police Department
Chelsea Police Department^[18]
Cheshire Police Department
Chester Police Department
Chesterfield Police Department
Chicopee Police Department^[19]
Chilmark Police Department
Clarksburg Police Department
Clinton Police Department
Cohasset Police Department
Colrain Police Department
Concord Police Department
Conway Police Department
Cummington Police Department
Dalton Police Department
Danvers Police Department
Dartmouth Police Department
Dedham Police Department
Deerfield Police Department
Dennis Police Department
Dighton Police Department
Douglas Police Department
Dover Police Department
Dracut Police Department
Dudley Police Department
Dunstable Police Department
Duxbury Police Department
East Bridgewater Police Department
East Brookfield Police Department
East Longmeadow Police Department
Eastham Police Department
Easthampton Police Department
Easton Police Department
Edgartown Police Department
Egremont Police Department
Erving Police Department
Essex Police Department
Everett Police Department^[20]
Fairhaven Police Department
Fall River Police Department^[21]
Falmouth Police Department^[22]
Fitchburg Police Department^[23]
Foxborough Police Department
Framingham Police Department
Franklin Police Department^[24]
Freetown Police Department
Gardner Police Department
Georgetown Police Department
Gill Police Department
Gloucester Police Department
Goshen Police Department
Gosnold Police Department
Grafton Police Department
Granby Police Department
Granville Police Department
Great Barrington Police Department
Greenfield Police Department
Groton Police Department
Hadley Police Department
Halifax Police Department
Hamilton Police Department
Hampden Police Department
Hancock Police Department
Hanover Police Department
Hanson Police Department
Hardwick Police Department
Harvard Police Department
Harwich Police Department
Hatfield Police Department
Haverhill Police Department^[25]
Hawley Police Department
Heath Police Department
Hingham Police Department
Hinsdale Police Department
Holbrook Police Department
Holden Police Department
Holland Police Department
Holliston Police Department
Holyoke Police Department^[26]
Hopedale Police Department
Hopkinton Police Department
Hubbardston Police Department
Hudson Police Department
Hull Police Department^[27]
Huntington Police Department
Ipswich Police Department
Kingston Police Department
Lancaster Police Department
Lanesborough Police Department
Lakeville Police Department
Lawrence Police Department^[28]
Lee Police Department^[29]
Leicester Police Department
Lenox Police Department
Leominster Police Department
Leverett Police Department
Lexington Police Department
Leyden Police Department
Lincoln Police Department
Littleton Police Department
Longmeadow Police Department
Lowell Police Department^[30]
Ludlow Police Department
Lunnenburg Police Department
Lynn Police Department^[31]
Lynnfield Police Department
Malden Police Department^[32]
Manchester-by-the-Sea Police Department
Mansfield Police Department
Marion Police Department
Marblehead Police Department
Marlborough Police Department^[33]
Marshfield Police Department
Mashpee Police Department^{[citation needed]}
Mattapoisett Police Department^{[citation needed]}
Maynard Police Department
Medfield Police Department
Medford Police Department^[34]
Medway Police Department
Melrose Police Department^[35]
Mendon Police Department
Merrimac Police Department^{[citation needed]}
Methuen Police Department^[36]
Middleborough Police Department
Middlefield Police Department
Middleton Police Department
Milford Police Department
Millbury Police Department^[37]
Millis Police Department
Milleville Police Department
Milton Police Department
Monson Police Department
Montague Police Department
Monterey Police Department
Nahant Police Department
Nantucket Police Department
Natick Police Department
Needham Police Department
New Bedford Police Department^[38]
New Braintree Police Department
New Marlborough Police Department
New Salem Police Department
Newbury Police Department
Newburyport Police Department
Newton Police Department^[39]
Norfolk Police Department
North Adams Police Department^[40]
North Andover Police Department
North Attleborough Police Department
North Brookfield Police Department
North Reading Police Department
Northampton Police Department^[41]
Northborough Police Department
Northbridge Police Department
Northfield Police Department
Norton Police Department
Norwell Police Department^[42]
Norwood Police Department
Oak Bluffs Police Department
Oakham Police Department
Orange Police Department
Orleans Police Department
Otis Police Department
Oxford Police Department
Palmer Police Department
Paxton Police Department
Peabody Police Department^[43]
Pepperell Police Department
Pelham Police Department
Pembroke Police Department
Peru Police Department
Petersham Police Department
Phillipston Police Department
Pittsfield Police Department^[44]
Plainfield Police Department
Plainville Police Department
Plymouth Police Department
Plympton Police Department
Princeton Police Department
Provincetown Police Department^[45]
Quincy Police Department^[46]
Raynham Police Department
Randolph Police Department
Reading Police Department
Rehoboth Police Department
Revere Police Department^[47]
Richmond Police Department
Rochester Police Department
Rockland Police Department
Rockport Police Department
Rowe Police Department
Rowley Police Department
Royalston Police Department
Russell Police Department
Rutland Police Department
Salem Police Department^[48]
Salisbury Police Department
Sandisfield Police Department
Sandwich Police Department^[49]
Saugus Police Department
Savoy Police Department
Scituate Police Department
Seekonk Police Department^[50]
Sharon Police Department
Sheffield Police Department
Shelburne Police Department
Sherborne Police Department
Shirley Police Department
Shrewsbury Police Department
Shutesbury Police Department
Somerset Police Department
Somerville Police Department^[51]
South Hadley Police Department
Southborough Police Department
Southbridge Police Department
Southampton Police Department
Southwick Police Department
Spencer Police Department
Springfield Police Department^[52]
Sterling Police Department
Stockbridge Police Department
Stoneham Police Department
Stoughton Police Department
Stow Police Department
Sturbridge Police Department
Sudbury Police Department
Sutton Police Department
Swansea Police Department
Swampscott Police Department
Taunton Police Department^[53]
Templeton Police Department
Tewksbury Police Department^[54]
Tisbury Police Department
Tolland Police Department
Topsfield Police Department
Townsend Police Department
Truro Police Department^[55]
Tynsborough Police Department
Tyringham Police Department
Upton Police Department
Uxbridge Police Department
Wakefield Police Department
Wales Police Department
Walpole Police Department
Waltham Police Department^[56]
Ware Police Department
Wareham Police Department^[57]
Warren Police Department
Warwick Police Department
Washington Police Department
Watertown Police Department^[58]
Wayland Police Department
Webster Police Department
Wellesley Police Department
Wellfleet Police Department^[59]
Wendell Police Department
Wenham Police Department
West Boylston Police Department
West Bridgewater Police Department
West Brookfield Police Department
West Newbury Police Department
West Springfield Police Department^[60]
West Stockbridge Police Department
West Tisbury Police Department
Westborough Police Department
Westhampton Police Department
Westfield Police Department^[61]
Westford Police Department
Westminster Police Department
Westport Police Department
Weston Police Department
Westwood Police Department
Weymouth Police Department^[62]
Whately Police Department
Whitman Police Department
Wilbraham Police Department
Williamsburg Police Department
Williamstown Police Department
Wilmington Police Department
Winchendon Police Department
Winchester Police Department
Windsor Police Department
Winthrop Police Department
Woburn Police Department^[63]
Worcester Police Department^[64]
Worthington Police Department
Wrentham Police Department
Yarmouth Police Department^[65]

Other agencies

Animal Rescue League of Boston Law Enforcement Services
Boston Housing Authority Police Division
Boston Municipal Protective Services
Boston Park Rangers
Boston Public Health Commission Police
Boston School Police
Beth Israel Deaconess Medical Center Public Safety Department
Boston Medical Center Public Safety Department
Brigham and Women’s Hospital Public Safety^{[citation needed]}
Cambridge Health Alliance Department of Public Safety^{[citation needed]}
Holyoke Medical Center Security^{[citation needed]}
Mashpee Wampanoag Police Department^[66]
Massachusetts Bay Transportation Authority Police
Massachusetts General Hospital Police, Security and Outside Services Department
Massachusetts Port Authority Police
Massachusetts Society for the Prevention of Cruelty to Animals Law Enforcement
Newton-Wellesley Hospital Parking and Public Safety Department
Saint Elizabeth’s Medical Center Safety and Security Department
Saint Vincent Hospital Police Department
Springfield Park Rangers
Tufts Medical Center Public Safety
UMass Memorial Medical Center Police

College and university agencies

American International College Police Department
Amherst College Police Department
Assumption College Department of Public Safety
Babson College Department of Public Safety
Bay Path University Department of Campus Public Safety
Becker College Police Department
Bentley University Police Department
Berklee Public Safety Department
Boston College Police Department
Boston University Police Department
Brandeis University Police Department
Bridgewater State University Police Department
Bristol Community College Police Department
Bunker Hill Community College Police Department
Cape Cod Community College Police Department
Clark University Police Department
Curry College Department of Public Safety
College of the Holy Cross Public Safety
Emerson College Police Department
Fisher College Police Department
Fitchburg State University Police Department
Framingham State University Police Department
Greenfield Community College Office of Public Safety
Harvard University Police Department
Holyoke Community College Police Department
Lasell College Police Department
Massachusetts Bay Community College Campus Police Department
Massachusetts College of Art & Design Police Department
Massachusetts College of Liberal Arts Department of Public Safety
Massachusetts Institute of Technology Police Department
Massasoit Community College Police Department
Massachusetts College of Pharmacy and Health Services Public Safety Department
Merrimack College Police Department
Middlesex County College Police Department
Mount Holyoke College Campus Police Department
Mount Wachusett Community College Campus Police Department
Northeastern University Police Department
North Shore Community College Campus Police Department
Quinsigamond Community College Police Department
Salem State University Police Department
Simmons University Police Department
Smith College Campus Police Department
Springfield College Department of Public Safety
Springfield Technical Community College Police Department
Stonehill College Police Department
Suffolk University Police and Security Department
Tufts University Police Department^[67]
University of Massachusetts, Amherst Police Department
University of Massachusetts, Boston Police Department
University of Massachusetts, Dartmouth Police Department
University of Massachusetts, Lowell Police Department
University of Massachusetts Chan Medical School Police Department
Wellesley College Campus Police Department
Wentworth Institute of Technology Public Safety Department
Western New England University Department of Public Safety
Westfield State University Police Department
Wheaton College Public Safety Department
Worcester Polytechnic Institute Police Department
Worcester State University Police Department

v t e Law enforcement agencies of the United States by state
Law enforcement in the United States
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