Derry Gaol, also known as Londonderry Gaol, refers to one of several gaols (prisons) constructed consecutively in Derry, Northern Ireland. Derry Gaol is notable as a place of incarceration for Irish Republican Army (IRA) members during the Irish Civil War, and for its numerous executions, seven of which took place between 1820 and 1923.
The Londonderry County Asylum was a psychiatric hospital at Strand Road in Derry, County Londonderry, Northern Ireland. It opened in 1829.