| cumann | clubs (Gaelic) | |
| Dail | the Irish Parliament | |
| Dail Uladh | an imaginary Ulster Parliament envisaged by the IRA | |
| Fenians | Protestant term of contempt for Republicans | |
| IRA | Irish Republican Army | |
| IRSP | Irish Republican Socialist Party, a breakaway group of Official IRA, also known as the Irps | |
| NICRA | Northern Ireland Civil Rights Association | |
| NILP | Northern Ireland Labour Party | |
| No-Go area | district too dangerous for the police to enter | |
| Official Sinn Fein | political wing of the Official IRA | |
| Orange Order | a Protestant semi-secret society founded in the 1790s | |
| Oranges | Catholic term of contempt for Protestants | |
| Pioneer | member of a Roman Catholic total abstinence group | |
| Provisional Sinn Fein | political wing of the Provisional IRA | |
| Provos | Provisional IRA | |
| RUC | Royal Ulster Constabulary | |
| SDLP | Social Democratic Labour Party | |
| Specials | an armed auxiliary police force, once the paramilitary wing of the Orange Order but now disbanded by order of the British Government | |
| Stickies | Official (Marxist) IRA | |
| streel | slut | |
| Taigs | Protestant term of contempt for Catholics | |
| TD | Member of the Irish Parliament | |
| UDA | Ulster Defence Association (legal Protestant Parliamentary organisation) | |
| UDR | Ulster Defence Regiment (a regular regiment of the British Army recruited in Northern Ireland) | |
| UFF | Ulster Freedom Fighters (illegal Protestant Parliamentary organisation) | |
| UNA | United Nations Association | |
| UVF | Ulster Volunteer Force (illegal Protestant paramilitary organisation) | |
| wains | wee ones, used of children |