| Surname | Forename | Rank | Killed | By | How Killed |
| Davidson | Derek | Constable | 2-Aug-1979 | IRA | Fatally wounded in gun attack at Clondara Street, Falls Road, Belfast |
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| Davidson | Gerry | Constable | 18-Nov-1979 | IRA | Fatally wounded in gun attack at Springfield Road RUC Station, Belfast |
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| Davis | Noel | Constable | 24-May-1975 | INLA | Killed by booby trap bomb in stolen vehicle at Ballinahone Road, Maghera, Co. Londonderry |
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| Davison | Samuel | Constable | 2-Jun-1977 | IRA | Fatally wounded in gun attack at Ardboe, Co. Tyrone |
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| Dawson | Michael | Constable | 12-Apr-1984 | Loyalists | Killed by booby trap bomb at University Street, Belfast |
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| Denham | Raymond | R/Constable | 12-Jan-1972 | IRA | Shot dead at his civilian employment in factory at Waterford Street, Belfast |
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| Devlin | Alfred | Inspector | 29-Oct-1971 | IRA | Killed in bomb at Chichester Road RUC Station, Belfast |
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| Doak | Tracey | Constable | 20-May-1985 | IRA | Killed by bomb at Killeen Customs post |
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| Dobbin | Desmond | R/Constable | 12-Oct-1986 | IRA | Fatally injured in mortar attack on New Barnsley RUC Station |
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| Dodd | Ronald | Sergeant | 27-Oct-1971 | IRA | Shot and fatally wounded at Gallagh, Toomebridge |
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| Doherty | John | D/Constable | 28-Oct-1973 | IRA | Shot dead in gun ambush as he visited his mother's home at Ballindrait, Lifford, Co. Donegal |
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| Donaghy | Howard | R/Constable | 11-Sep-1978 | IRA | Off duty, he was fatally wounded as he worked at his house at Loughmacroary, Omagh |
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| Donaldson | Alexander | C/Inspector | 28-Feb-1985 | IRA | Fatally wounded in mortar attack on Newry RUC Station |
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| Donaldson | Sam | Constable | 12-Aug-1970 | IRA | killed by booby trap car bomb in Culloville, Crossmaglen |
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| Dorset | David | Sergeant | 14-Jan-1973 | IRA | Killed in booby trap car bomb in Harbour Square, Londonderry |
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| Douglas | James | Constable | 10-Oct-1992 | IRA | Off duty, he was shot dead in gun attack in Belfast City Centre |
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| Dowd | John | Sergeant | 28-Feb-1985 | IRA | Fatally wounded in mortar attack on Newry RUC Station |
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| Duddy | Norman | Inspector | 28-Mar-1982 | IRA | Fatally wounded in gun attack as he and his sons left Strand Road Presbyterian Church, Londonderry |
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| Dunlop | Colin | R/Constable | 31-May-1981 | IRA | Shot dead while he was on security duty at intensive care unit Royal Victoria Hospital |
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| Dunne | Alan | R/Constable | 2-Jun-1979 | INLA | Fatally wounded in gun attack outside his home in Armagh. |