Donough O'Brien, 16th Baron Inchiquin

The Right Honourable
The Lord Inchiquin
The Right Honourable The Lord Inchiquin
Baron Inchiquin
	In office; 9 December 1929 – 19 October 1968
Personal details
Born	Donough Edward Foster O'Brien; 5 January 1897; London, United Kingdom
Died	19 October 1968 (aged 71)
Spouse	Anne Thesiger (m. 1921)
Children	2
Parent	Lucius William O'Brien, 15th Baron of Inchiquin (father);
Education	Magdalen College School, Oxford; Eton College; Royal Military College, Sandhurst;
Awards	Order of the Crown of Romania
Military service
Allegiance	United Kingdom
Branch/service	British Army
Years of service	1916–1921; 1939–1942;
Rank	Captain
Unit	Rifle Brigade; London Rifle Brigade;
Battles/wars	World War I; World War II;

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Donough Edward Foster O'Brien, 16th Baron Inchiquin (5 January 1897 – 19 October 1968) was an Irish peer and 29th direct descendant of Brian Boru.