John Foster, 1st Baron Oriel

The Right Honourable The Lord Oriel PC (Ire)
portrait by Gilbert Stuart
Chancellor of the Exchequer of Ireland
In office 30 April 1807 – 1811
Monarch	George III
Prime Minister	The Duke of Portland
Preceded by	Sir John Newport, Bt
Succeeded by	William Wellesley-Pole
In office 9 July 1804 – 24 February 1806
Prime Minister	William Pitt the Younger
Preceded by	Isaac Corry
Succeeded by	Sir John Newport, 1st Baronet
In office 23 April 1784 – 17 September 1785
Preceded by	George Ponsonby
Succeeded by	Sir John Parnell, 2nd Baronet
Speaker of the Irish House of Commons
In office 1785–1800
Monarch	George III
Preceded by	Edmund Pery
Succeeded by	Office abolished (Cathal Brugha as Ceann Comhairle)
Personal details
Born	1740
Died	23 August 1828 (aged 87–88)
Spouse	Margaretta Amelia Foster ​ ​ (m. 1764; died 1824)​

John Foster, 1st Baron Oriel PC (Ire) (1740 – 23 August 1828) was an Anglo-Irish politician and peer who thrice served as Chancellor of the Exchequer of Ireland and also served as the last speaker of the Irish House of Commons.