Dd
DAFS
Dalkeith Burgh Police
Dartford Tunnel Traffic Officers
Dartmouth Borough Police
Daventry Borough Police
Dawlish Police
Deal Borough Police
Denbigh Borough Police
Denbighshire Constabulary

Derby Borough Police
Derby County Borough Constabulary
Derby County Police
Derbyshire Constabulary
Derwent Division Police
Devizes Borough Police
Devon & Cornwall Constabulary
Devon & Exeter Constabulary
Devon & Exeter Joint Constabulary
Devon Constabulary
Devonport Borough Police
Devonport Dockyard
Devonport Park Constable

Dewsbury Borough Police
Dingwall Burgh Police
District Line Railway Police
Docks and Piers TIC
Dockyard Police (Met)
Doncaster Borough Police
Dorchester Borough Police
Dorset & Bournemouth Constabulary
Dorset Constabulary
Dorset Police
Dover Harbour Board Police
Dover Police Force
Droitwich Borough Police
Dublin Harbour Police
Dublin Metropolitan Garda
Dublin Metropolitan Police
Dudley Borough Police
Dumbarton Burgh Police
Dumbartonshire Constabulary
Dumfries & Galloway Constabulary
Dumfries Burgh Police
Dumfries-shire Constabulary
Dun Laoghaire Harbour Police
Dunbar Police
Dundee & Arbroath Railway Police
Dundee & Newtyle Railway Police
Dundee City Police
Dunfermline City Police

Dunstable Borough Police
Durham City Police
Durham Constabulary
Durham County Constabulary
Dyfed-Powys Constabulary
Dyfed-Powys Police
Dysart Burgh Police