| Surname | Forename | Rank | Killed | By | How Killed |
| 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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| Simpson | Charles | Constable | 28-Feb-1978 | IRA | Fatally wounded in gun attack at Clarendon Street, Londonderry |
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| Moore | John | R/Constable | 15-Apr-1978 | IRA | Killed by landmine under his car at his home near Armoy, Co. Antrim |
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| McAllister | Millar | Constable | 22-Apr-1978 | IRA | Shot dead at his home in Lisburn, Co. Antrim |
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| Struthers | Robert | R/Constable | 16-Jun-1978 | IRA | Shot dead at his civilian employment in shop at Lorne Street, Londonderry |
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| McConnell | Hugh | Constable | 17-Jun-1978 | IRA | Fatally wounded during gun attack on Camlough/Crossmaglen Road |
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| Turbitt | William | A/Constable | 17-Jun-1978 | IRA | Abducted after gun attack on Camlough/Crossmaglen Road. His body was recovered three weeks later at Cullyhanna |
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| Rankin | Jacob | R/Constable | 4-Jul-1978 | IRA | Fatally wounded in gun attack outside Castlederg RUC Station |
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| Lamont | John | R/Constable | 2-Aug-1978 | IRA | Fatally wounded in gun attack in George Street, Ballymena |
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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 |