| 05 January 1991 | Jervis Lynch (26) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Shot at his home, Acres Road, Magheralin, near Lurgan, County Down. |
| 21 January 1991 | Cullen Stephenson (63) Protestant Status: ex-Royal Ulster Constabulary (xRUC), Killed by: Irish Republican Army (IRA) Shot outside his home, Church Street, Brookeborough, County Fermanagh. |
| 27 January 1991 | Sean Rafferty (44) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Shot at his home, Rosapenna Court, off Cliftonville Road, Belfast. |
| 18 February 1991 | David Corner (36) nfNIB Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Killed by bomb hidden in litter bin, at Victoria Railway Station, London. Inadequate warning given. |
| 24 February 1991 | Peter McTasney (25) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Shot at his home, Bawnmore Park, Greencastle, Belfast. |
| 01 March 1991 | Paul Sutcliffe (32) nfNI Status: Ulster Defence Regiment (UDR), Killed by: Irish Republican Army (IRA) Originally from England. Killed in horizontal mortar attack on Ulster Defence Regiment (UDR) mobile patrol, Killylea Road, Armagh. |
| 01 March 1991 | Roger Love (20) Protestant Status: Ulster Defence Regiment (UDR), Killed by: Irish Republican Army (IRA) Injured in horizontal mortar attack on Ulster Defence Regiment (UDR) mobile patrol, Killylea Road, Armagh. He died 4 March 1991. |
| 03 March 1991 | John Quinn (23) Catholic Status: Irish Republican Army (IRA), Killed by: Ulster Volunteer Force (UVF) Shot in car park next to Boyle's Bar, Cappagh, County Tyrone. |
| 03 March 1991 | Dwayne O'Donnell (17) Catholic Status: Irish Republican Army (IRA), Killed by: Ulster Volunteer Force (UVF) Shot in car park next to Boyle's Bar, Cappagh, County Tyrone. |
| 03 March 1991 | Malcolm Nugent (20) Catholic Status: Irish Republican Army (IRA), Killed by: Ulster Volunteer Force (UVF) Shot in car park next to Boyle's Bar, Cappagh, County Tyrone. |
| 03 March 1991 | Thomas Armstrong (50) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Shot during gun attack, Boyle's Bar, Cappagh, County Tyrone. |
| 04 March 1991 | Michael Lenaghan (46) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Taxi driver. Found shot inside his car, Heather Street, Shankill, Belfast. |
| 13 March 1991 | Lord Kaberry (83) nfNIB Status: Civilian Political Activist (CivPA), Killed by: Irish Republican Army (IRA) Former Conservative Member of Parliament. Died 8 months after being injured, in bomb attack on Carlton Club, St James Street, London. Attack occurred on 25 June 1990. |
| 18 March 1991 | Francis Taggart (17) Catholic Status: Civilian (Civ), Killed by: non-specific Loyalist group (LOY) Found stabbed to death, behind leisure centre, Warren Park, Lisburn, County Antrim. |
| 28 March 1991 | Eileen Duffy (19) Catholic Status: Civilian (Civ), Killed by: Protestant Action Force (PAF) Shot during gun attack on mobile shop, Drumbeg South, Craigavon, County Armagh. |
| 28 March 1991 | Katrina Rennie (16) Catholic Status: Civilian (Civ), Killed by: Protestant Action Force (PAF) Shot during gun attack on mobile shop, Drumbeg South, Craigavon, County Armagh. |
| 28 March 1991 | Brian Frizzell (29) Catholic Status: Civilian (Civ), Killed by: Protestant Action Force (PAF) Shot during gun attack on mobile shop, Drumbeg South, Craigavon,County Armagh. |
| 03 April 1991 | Samuel Bell (54) Catholic Status: Civilian (Civ), Killed by: non-specific Loyalist group (LOY) Taxi driver. Found shot beside his burnt out car, Thompson's Lane, off Glencairn Road, Belfast. |
| 06 April 1991 | Spence McGarry (46) Protestant Status: Royal Ulster Constabulary (RUC), Killed by: Irish Republican Army (IRA) Off duty. Killed by booby trap bomb attached to his car in car park, Castle Street, Ballycastle, County Antrim. |
| 09 April 1991 | Derek Ferguson (31) Protestant Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Shot at his mobile home, Aughaveagh Road, Coagh, County Tyrone. |
| 10 April 1991 | Colm Marks (29) Catholic Status: Irish Republican Army (IRA), Killed by: Royal Ulster Constabulary (RUC) Shot while preparing mortar bomb, St Patrick's Avenue, Downpatrick, County Down. |
| 13 April 1991 | Ian Sproule (23) Protestant Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Shot outside his parents' home, Liskleen Road, Killen, Castlederg, County Tyrone. |
| 13 April 1991 | Samuel McCrum (62) Protestant Status: Royal Ulster Constabulary (RUC), Killed by: Irish Republican Army (IRA) Off duty. Shot at his wife's shop, Antrim Street, Lisburn, County Antrim. |
| 17 April 1991 | John O'Hara (41) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Taxi driver. Shot when lured to bogus call, Dunluce Avenue, off Lisburn Road, Belfast. |
| 03 May 1991 | Stephen Gillespie (31) Protestant Status: Royal Ulster Constabulary (RUC), Killed by: Irish Republican Army (IRA) Died two days after being injured during rocket attack on Royal Ulster Constabulary (RUC) mobile patrol, Mica Drive, Beechmount, Belfast. |
| 13 May 1991 | Robert Orr (56) Protestant Status: ex-Royal Ulster Constabulary (xRUC), Killed by: Irish Republican Army (IRA) Killed by booby trap bomb attached to his car, which exploded while travelling along The Mall, Armagh. |
| 17 May 1991 | Douglas Carruthers (41) Protestant Status: Royal Ulster Constabulary (RUC), Killed by: Irish Republican Army (IRA) Off duty. Killed by booby trap bomb attached to his car while driving near to his home, Mullybritt, Lisbellaw, County Fermanagh. |
| 21 May 1991 | Wallace McVeigh (45) Protestant Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Shot at his workplace, Balmoral Market, Boucher Road, Belfast. Contractor to British Army (BA) / Royal Ulster Constabulary (RUC). |
| 25 May 1991 | Eddie Fullerton (56) nfNIRI Status: Civilian Political Activist (CivPA), Killed by: Ulster Freedom Fighters (UFF) Sinn Fein (SF) Councillor. Shot at his home, Cockhill Cottages, Buncrana, County Donegal. |
| 25 May 1991 | Terence O'Neill (44) nfNI Status: British Army (BA), Killed by: Irish Republican Army (IRA) Killed by grenade, dropped into compound at British Army (BA) base, from adjoining derelict building, North Howard Street, Falls, Belfast. |
| 27 May 1991 | Edward Spence (26) Protestant Status: Royal Ulster Constabulary (RUC), Killed by: Irish Republican Army (IRA) Died two days after being shot while on Royal Ulster Constabulary (RUC) foot patrol, Lower Crescent, off University Road, Belfast. |
| 31 May 1991 | Paul Blakely (30) Protestant Status: Ulster Defence Regiment (UDR), Killed by: Irish Republican Army (IRA) Killed by bomb left in abandoned lorry outside Glenanne British Army (BA) base, near Mount Norris, County Armagh. |
| 31 May 1991 | Robert Crozier (46) Protestant Status: Ulster Defence Regiment (UDR), Killed by: Irish Republican Army (IRA) Killed by bomb left in abandoned lorry outside Glenanne British Army (BA) base, near Mount Norris, County Armagh. |
| 31 May 1991 | Sidney Hamilton (44) Protestant Status: Ulster Defence Regiment (UDR), Killed by: Irish Republican Army (IRA) Killed by bomb left in abandoned lorry outside Glenanne British Army (BA) base, near Mount Norris, County Armagh. |
| 03 June 1991 | Peter Ryan (35) Catholic Status: Irish Republican Army (IRA), Killed by: British Army (BA) Shot during ambush by undercover British Army (BA) members, while driving through Coagh, County Tyrone. |
| 03 June 1991 | Lawrence McNally (39) Catholic Status: Irish Republican Army (IRA), Killed by: British Army (BA) Shot during ambush by undercover British Army (BA) members, while driving through Coagh, County Tyrone. |
| 03 June 1991 | Anthony Doris (22) Catholic Status: Irish Republican Army (IRA), Killed by: British Army (BA) Shot during ambush by undercover British Army (BA) members, while driving through Coagh, County Tyrone. |
| 06 June 1991 | Ruairi Finnis (21) Catholic Status: Irish Republican Army (IRA), Killed by: Irish Republican Army (IRA) Found shot behind row of shops, Central Drive, Creggan, Derry. Alleged informer. |
| 17 June 1991 | Brian Lawrence (34) Protestant Status: Ulster Defence Regiment (UDR), Killed by: Irish Republican Army (IRA) Off duty. Shot at his workplace, tyre depot, Duncrue Street, Belfast. |
| 19 June 1991 | Anthony Harrison (21) nfNI Status: British Army (BA), Killed by: Irish Republican Army (IRA) Off duty. Shot at his girlfriend's home, Nevis Avenue, Strandtown, Belfast. |
| 29 June 1991 | Gerard Burns (37) Catholic Status: Irish National Liberation Army (INLA), Killed by: Irish National Liberation Army (INLA) Found shot at the back of house, New Barnsley Park, Ballymurphy, Belfast. Alleged informer. |
| 29 June 1991 | Cecil McKnight (32) Protestant Status: Ulster Defence Association (UDA), Killed by: Irish Republican Army (IRA) Also Ulster Democratic Party (UDP) member. Shot at his home, Melrose Terrace, Waterside, Derry. |
| 18 July 1991 | John McMaster (47) Protestant Status: Royal Navy (RN), Killed by: Irish People's Liberation Organisation (IPLO) Off duty Royal Navy (RN) reservist. Shot at his shop, Church Lane, Belfast. |
| 19 July 1991 | Thomas Hughes (32) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Shot while driving his black taxi, junction of Divis Street and Westlink, Lower Falls, Belfast. |
| 21 July 1991 | Thomas Oliver (43) nfNI Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) From County Louth. Found shot, Belleek, near Newtownhamilton, County Armagh. Alleged informer. |
| 05 August 1991 | Eric Boyd (42) Protestant Status: ex-Ulster Defence Regiment (xUDR), Killed by: Irish Republican Army (IRA) Shot shortly after leaving his workplace, while driving along Altmore Road, Cappagh, County Tyrone. |
| 09 August 1991 | Gary Lynch (27) Protestant Status: Ulster Defence Association (UDA), Killed by: Irish Republican Army (IRA) Also Ulster Democratic Party (UDP) member. Shot at his workplace, Foyle Meats, Lisahally, Derry. |
| 10 August 1991 | James Carson (33) Catholic Status: Civilian (Civ), Killed by: Loyalist Retaliation and Defence Group (LRDG) Shot at his shop, junction of Falls Road and Donegall Road, Falls, Belfast. |
| 12 August 1991 | Padraig O'Seanachain (33) Catholic Status: Civilian Political Activist (CivPA), Killed by: Ulster Freedom Fighters (UFF) Sinn Fein (SF) member. Shot by sniper, while travelling to work, Killen, Castlederg, County Tyrone. |
| 15 August 1991 | Ronald Finlay (47) Protestant Status: ex-Ulster Defence Regiment (xUDR), Killed by: Irish Republican Army (IRA) Shot at his workplace, farm, Brocklass Road, Sion Mills, County Tyrone. |
| 15 August 1991 | James Woods (23) Catholic Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Killed in grenade attack on British Army (BA) foot patrol, waste ground, off Gortfin Street, Falls, Belfast. |
| 16 August 1991 | Thomas Donaghy (38) Catholic Status: ex-Irish Republican Army (xIRA), Killed by: Ulster Freedom Fighters (UFF) Sinn Fein (SF) member. Shot as he arrived at his workplace, Portna Fisheries, Kilrea, County Derry. |
| 16 August 1991 | Martin O'Prey (28) Catholic Status: Irish People's Liberation Organisation (IPLO), Killed by: Ulster Volunteer Force (UVF) Shot at his home, Ardmoulin Terrace, Lower Falls, Belfast. |
| 17 August 1991 | Simon Ware (22) nfNI Status: British Army (BA), Killed by: Irish Republican Army (IRA) Killed in land mine attack on British Army (BA) foot patrol, Carrickrovaddy, near Cullyhanna, County Armagh. |
| 24 August 1991 | Martin Watters (27) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Found beaten to death, in River Lagan, by Queen's Road, Lisburn, County Antrim. |
| 31 August 1991 | Francis Crawford (57) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Take-away delivery driver. Shot when lured to bogus call, Vicinage Court, near Carlisle Circus, Belfast. |
| 03 September 1991 | Seamus Sullivan (24) Catholic Status: Civilian (Civ), Killed by: Ulster Defence Association (UDA) Shot at his workplace, Council Depot, Springfield Avenue, Falls, Belfast. |
| 10 September 1991 | John Hanna (19) Protestant Status: Ulster Volunteer Force (UVF), Killed by: Irish Republican Army (IRA) Shot at his home, Donegall Road, Village, Belfast. |
| 13 September 1991 | Kevin Flood (31) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Shot from passing car while standing outside his home, Ligoniel Road, Ligoniel, Belfast. |
| 16 September 1991 | Bernard O'Hagan (37) Catholic Status: Civilian Political Activist (CivPA), Killed by: Ulster Freedom Fighters (UFF) Sinn Fein (SF) Councillor. Shot at his workplace, Magherafelt College of Further Education, County Derry. |
| 17 September 1991 | Erik Clarke (37) Protestant Status: Royal Ulster Constabulary (RUC), Killed by: Irish Republican Army (IRA) Killed in horizontal mortar attack on British Army (BA) / Royal Ulster Constabulary (RUC) mobile patrol, Swatragh, County Derry. |
| 19 September 1991 | John Haldane (54) Protestant Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Shot at his workplace, McCue, Dick & Co, Duncrue Street, Belfast. Contractor to British Army (BA) / Royal Ulster Constabulary (RUC). |
| 28 September 1991 | Larry Murchan (63) Catholic Status: Civilian (Civ), Killed by: Loyalist Retaliation and Defence Group (LRDG) Shot outside his shop, St James Road, Falls, Belfast. |
| 29 September 1991 | Kevin McGovern (19) Catholic Status: Civilian (Civ), Killed by: Royal Ulster Constabulary (RUC) Shot by undercover Royal Ulster Constabulary (RUC) member, while walking along, Westland Road South, Cookstown, County Tyrone. |
| 10 October 1991 | Harry Ward (42) Protestant Status: Ulster Defence Association (UDA), Killed by: Irish People's Liberation Organisation (IPLO) Shot during gun attack on Diamond Jubilee Bar, Shankill Road, Belfast. |
| 10 October 1991 | Hugh Magee (53) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Shot while driving his black taxi along Rosapenna Street, off Oldpark Road, Belfast. |
| 13 October 1991 | Karl Hegney (33) Catholic Status: ex-Irish National Liberation Army (xINLA), Killed by: Ulster Volunteer Force (UVF) Former Republican prisoner. Shot while walking along Ormeau Road, near Donegall Pass, Belfast. |
| 14 October 1991 | Henry Conlon (54) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Taxi driver. Shot when lured to bogus call, Finnis Drive, Taughmonagh, Belfast. |
| 15 October 1991 | John McGuigan (24) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Shot at his workplace, timber yard, Ravenhill Road, Belfast. |
| 16 October 1991 | Brian McCabe (33) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Died two days after found shot in abandoned car, Tamar Street, Belfast. |
| 25 October 1991 | Sean Anderson (32) Catholic Status: ex-Irish Republican Army (xIRA), Killed by: Ulster Volunteer Force (UVF) Former Republican prisoner. Shot while driving his car in the laneway of his home, Loughbracken Road, Pomeroy, County Tyrone. |
| 02 November 1991 | Philip Cross (33) nfNI Status: British Army (BA), Killed by: Irish Republican Army (IRA) Killed in time bomb attack on Musgrave Park British Army (BA) hospital base, Belfast. |
| 02 November 1991 | Craig Pantry (20) nfNI Status: British Army (BA), Killed by: Irish Republican Army (IRA) Killed in time bomb attack on Musgrave Park British Army (BA) hospital base, Belfast. |
| 03 November 1991 | Gerard Maginn (17) Catholic Status: Civilian (Civ), Killed by: Royal Ulster Constabulary (RUC) Found shot in abandoned stolen car, Glen Road, Andersonstown, Belfast. |
| 06 November 1991 | Michael Boxall (27) Protestant Status: Ulster Defence Regiment (UDR), Killed by: Irish Republican Army (IRA) Killed in horizontal mortar attack on Ulster Defence Regiment (UDR) mobile patrol, Bellaghy, County Derry. |
| 09 November 1991 | Kathleen Lundy (40) Catholic Status: Civilian (Civ), Killed by: non-specific Loyalist group (LOY) Died in arson attack on her home, Harmin Crescent, Glengormley, near Belfast, County Antrim. |
| 09 November 1991 | Colin Lundy (16) Catholic Status: Civilian (Civ), Killed by: non-specific Loyalist group (LOY) Died in arson attack on his home, Harmin Crescent, Glengormley, near Belfast, County Antrim. |
| 13 November 1991 | William Kingsberry (35) Protestant Status: Ulster Defence Association (UDA), Killed by: Irish Republican Army (IRA) Shot at his home, Lecale Street, Village, Belfast. |
| 13 November 1991 | Samuel Mehaffey (19) Protestant Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Shot at his home, Lecale Street, Village, Belfast. |
| 13 November 1991 | Stephen Lynn (30) Protestant Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Shot while renovating house, Upper Crumlin Road, Belfast. Previous owner of the house was the intended target. |
| 13 November 1991 | Kenneth Lynn (28) Protestant Status: Civilian (Civ), Killed by: Irish Republican Army (IRA) Shot while renovating house, Upper Crumlin Road, Belfast. Previous owner of the house was the intended target. |
| 14 November 1991 | Desmond Rogers (54) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Shot shortly after leaving his workplace, Hyster factory, while travelling in car at the junction of Carbet Road and Carn Road, near Lurgan, County Armagh. |
| 14 November 1991 | Fergus Magee (28) Catholic Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Shot shortly after leaving his workplace, Hyster factory, while travelling in car at the junction of Carbet Road and Carn Road, near Lurgan, County Armagh. |
| 14 November 1991 | John Lavery (27) Protestant Status: Civilian (Civ), Killed by: Ulster Volunteer Force (UVF) Shot, whilst travelling in his car, at the junction of Carbet Road and Carn Road, near Lurgan, County Armagh. |
| 15 November 1991 | Francis Ryan (25) Catholic Status: Irish Republican Army (IRA), Killed by: Irish Republican Army (IRA) Died in premature explosion while carrying bomb along St Peter's Street, St. Albans, Herts. England. |
| 15 November 1991 | Patricia Black (18) Catholic Status: Irish Republican Army (IRA), Killed by: Irish Republican Army (IRA) Died in premature explosion while carrying bomb along St Peter's Street, St. Albans, Herts. England. |
| 24 November 1991 | Robert Skey (27) Protestant Status: Ulster Defence Association (UDA), Killed by: Irish Republican Army (IRA) Killed when time bomb exploded in dining hall of 'C' wing, Crumlin Road Prison, Belfast. |
| 24 November 1991 | Colin Caldwell (23) Protestant Status: Ulster Volunteer Force (UVF), Killed by: Irish Republican Army (IRA) Injured when time bomb exploded in dining hall of 'C' wing, Crumlin Road Prison, Belfast. He died 28 November 1991 |
| 25 November 1991 | James McCaffrey (48) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Takeaway delivery driver. Shot shortly after leaving Chinese takeaway, Candahar Street, Ballynafeigh, Belfast. |
| 26 November 1991 | Kenneth Newell (30) Protestant Status: Ulster Defence Regiment (UDR), Killed by: Irish Republican Army (IRA) Off duty. Abducted while driving delivery lorry, Crossmaglen, County Armagh. Found shot, near Crossmaglen, County Armagh, on 27 November 1991. |
| 15 December 1991 | Colm Mahon (39) Catholic Status: Civilian (Civ), Killed by: Irish People's Liberation Organisation (IPLO) Shot at his workplace, Frames Snooker Hall, Little Donegall Street, Belfast. |
| 21 December 1991 | Robin Farmer (19) Protestant Status: Civilian (Civ), Killed by: Irish National Liberation Army (INLA) Shot during gun attack on his former Royal Ulster Constabulary (RUC) member father, at their shop, Killyman Road, Moy, County Tyrone. |
| 21 December 1991 | Barry Watson (25) Protestant Status: Civilian (Civ), Killed by: Irish People's Liberation Organisation (IPLO) Shot during gun attack on Donegall Arms, Roden Street, Village, Belfast. |
| 21 December 1991 | Thomas Gorman (55) Protestant Status: Civilian (Civ), Killed by: Irish People's Liberation Organisation (IPLO) Shot during gun attack on Donegall Arms, Roden Street, Village, Belfast. |
| 21 December 1991 | William Johnston (28) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Shot at his home, Fortuna Street, Village, Belfast. |
| 22 December 1991 | Aidan Wallace (22) Catholic Status: Civilian (Civ), Killed by: Ulster Freedom Fighters (UFF) Shot during gun attack on Devenish Arms, Finaghy Road North, Belfast. |