| Surname | Forename | Rank | Killed | By | How Killed |
| Calvin | Joseph | R/Constable | 16-Nov-1972 | IRA | Killed by booby trap car bomb in Enniskillen. |
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| Campbell | Geoffrey | R/Constable | 28-Feb-1985 | IRA | Fatally wounded in mortar attack on Newry RUC Station |
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| Campbell | Joseph | Sergeant | 25-Feb-1977 | Unknown | Shot dead as he closed the gates to Cushendall RUC station, Co. Antrim |
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| Campbell | Norman | Constable | 15-Dec-1976 | IRA | Fatally wounded in gun attack at High Street, Portadown |
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| Campbell | William | R/Constable | 16-Oct-1973 | IRA | Fatally wounded in gun attack on Antrim Road, Belfast |
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| Carroll | Raymond | Constable | 28-Jan-1972 | IRA | Shot dead as he repaired his car in a garage on Oldpark Road, Belfast. |
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| Carrothers | Douglas | R/Constable | 17-May-1991 | IRA | Killed by booby trap bomb under his car at driveway of his home in Lisbellaw, Co.Fermanagh |
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| Carson | Colin | R/Constable | 26-May-1983 | INLA | Fatally wounded in gun attack at Molesworth Estate, Cookstown |
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| Carson | Ernest | D/Constable | 26-Aug-1987 | IRA | Fatally wounded in gun attack in docks area of Belfast |
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| Caskey | Samuel | Constable | 4-May-1982 | IRA | Fatally wounded in gun attack at the Diamond, Londonderry |
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| Cathcart | Gerald | Constable | 16-May-1983 | IRA | Fatally wounded in gun attack at Linkview Park, Belfast |
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| Chambers | George | Constable | 15-Dec-1972 | Official IRA | Fatally injured in gun attack in Kilwilkie estate, Lurgan, Co Armagh. |
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| Clarke | Erik | Constable | 17-Sep-1991 | IRA | Fatally wounded in rocket attack in Swatragh, Co. Londonderry |
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| Clarke | Paul | Constable | 1-Nov-1983 | IRA | Fatally injured in mortar attack at Carrickmore RUC Station |
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| Clarke | Samuel | R/Constable | 25-Nov-1975 | IRA | Fatally wounded in gun attack at Clonavaddy, Dungannon, Co. Tyrone |
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| Clements | Joseph | R/Constable | 16-Nov-1975 | IRA | Fatally wounded in landmine explosion near Cloghfin, Sixmilecross, Co. Tyrone |
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| Clements | William | R/Constable | 7-Dec-1985 | IRA | Fatally wounded in gun attack on Ballygawley RUC Station |
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| Cobb | Harold | Inspector | 24-Feb-1977 | IRA | Fatally wounded in gun attack at Church Place, Lurgan, Co. Armagh |
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| Cooke | Thomas | Sergeant | 23-Apr-1987 | IRA | Fatally wounded in gun attack as he left his golf club in Londonderry |
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| Corbett | Alan | R/Constable | 15-Nov-1992 | IRA | Fatally wounded in gun attack in Main Street, Belcoo |
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| Corkey | Snowdon | R/Constable | 16-Nov-1982 | INLA | Fatally wounded in gun attack in Newry Street, Markethill |
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| Corry | Stanley | D/Constable | 1-Nov-1971 | IRA | Shot dead in Andersontown, Belfast |
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| Coulter | George | Sergeant | 31-Jan-1975 | IRA | Shot dead in gun attacked at junction of Dungannon/Donaghmore Road, Co. Tyrone |
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| Coulter | William | Constable | 28-Nov-1981 | IRA | Fatally wounded by booby trap bomb at Unity Flats, Belfast |
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| Craig | Albert | Sergeant | 18-Sep-1976 | IRA | Fatally wounded in gun attack at Shamrock Park, Portadown |
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| Crawford | Ivan | R/Constable | 9-Jan-1987 | IRA | Fatally wounded in bomb explosion in centre of Enniskillen |
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| Crilly | Robert | R/Constable | 3-Jan-1980 | IRA | Fatally wounded in gun attack in Newtownbulter, Co. Fermanagh |
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| Crooks | William | R/Constable | 23-Apr-1976 | IRA | Fatally wounded in gun attack at Dernagh Crossroads, Coalisland, Co Tyrone |
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| Crothers | Charles | R/Constable | 5-Oct-1982 | IRA | Fatally wounded in gun attack at his civilian employment at Altnagelvin, Londonderry |
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| Crothers | Gordon | R/Constable | 17-Feb-1978 | IRA | One of 12 people killed in blaze which followed a bomb explosion at the La Mon House , Castlereagh, Co. Down |
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| Cummings | Neville | Constable | 22-Jan-1976 | Unknown | Killed by a booby trap bomb at Donegal Pass RUC Station, Belfast |
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| Cunningham | Cecil | Constable | 15-Oct-1971 | IRA | Shot dead in Ardoyne, Belfast. |
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| Cush | Thomas | Constable | 31-Jul-1976 | IRA | Shot dead at security barrier at Church Place, Lurgan |