RUC
The abbreviation RUC stands for:
- Royal Ulster Constabulary - the British police force in Northern Ireland, reformed to the Police Service of Northern Ireland (PSNI) as a result of the Good Friday Agreement
- Roskilde University Center
- Regional urban center
- Rational User Conference
- Road User Charges , miles to buy in New Zealand
- Numero de Registro Unico de Contribuyentes , the tax number assigned by the Ecuadorian tax office