Crumlin

• Crumlin, Belfast, a ward of North Belfast • Crumlin, County Antrim, a town in County Antrim • Crumlin railway station, Northern Ireland, County Antrim • Crumlin Viaduct (Northern Ireland), County Antrim • Crumlin United F.C. (Northern Ireland), a Northern Irish club • Crumlin Road, Belfast • Crumlin Road Gaol, a former prison • Crumlin Road Courthouse ==Republic of Ireland==

• Crumlin, County Westmeath, a townland in the civil parish of Rathaspick • Crumlin, Dublin, a suburb of Dublin • Crumlin GAA, a Gaelic Athletic Association in Dublin • Crumlin United F.C. ==Wales, UK==

• Crumlin, Caerphilly, a town in Caerphilly County Borough • Crumlin Viaduct