Stormont House

{{Short description|Building in Belfast, Northern Ireland}}

{{Use dmy dates|date=April 2022}}

{{Infobox historic site

| name = Stormont House

| other_name = Speaker's House

| former_names =

| alternate_names =

| image = Stormont House.jpg

| coordinates ={{coord|54.601779|-5.832303|display=inline,title}}

| designation1 = Grade B1

| designation1_offname = Stormont House

| designation1_date = 13 March 1987

| designation1_number = HB26/13/017{{cite web|url=https://apps.communities-ni.gov.uk/Buildings/buildview.aspx?id=4644&js=false|title=Historic Building Details|work=Department for Communities|accessdate=18 March 2018}}

}}

Stormont House (also called Speaker's House) is a Grade B1 listed building situated in the Stormont Estate in Belfast, Northern Ireland. It was designed by Ralph Knott,Brittain-Catlin, Timothy (2014) Bleak Houses, MIT Press, {{ISBN|9780262026697}}, p. 42 although Sir Edwin Lutyens has been credited with some involvement.[https://web.archive.org/web/20140629120602/http://www.highbeam.com/doc/1P2-28699940.html "WAR MEMORIAL GARDENS ISLANDBRIDGE, DUBLIN."] The Irish Times. 2011. Retrieved May 27, 2014

It served as the official residence of the Speaker of the House of Commons of Northern Ireland between 1921 and 1972. For part of the time it was actually lived in by a number of Prime Ministers of Northern Ireland in preference to their own official residence, Stormont Castle, which was used primarily as offices.{{cite web|url=http://www.election.demon.co.uk/stormont/intro.html|title=The Northern Ireland Parliament|publisher=Election Demon|accessdate=1 November 2019}} It was later the headquarters of the Northern Ireland Office (NIO) until 2022, when the NIO moved to Erskine House in central Belfast.{{cite web|url=https://www.belfasttelegraph.co.uk/news/northern-ireland/nios-office-move-to-city-centre/41319964.html |title=NIO’s office move to city centre |publisher=Belfast Telegraph| date=7 February 2022}}

Stormont House shares its grounds with Castle Buildings, however it is separated from the main building by a fence.