Dundonald House (Irish: Teach Dhún Dónaill, Ulster-Scots: Dundoanal Haa) is a government building in Belfast, Northern Ireland. Built in 1962 it housed the Department of Agriculture and Rural Development, the Geological Survey of Northern Ireland and the Northern Ireland Prison Service until 2023 when the building closed on safety grounds. It is a grade B+ listed building and survived an application for its demolition in 2024.