Rupert Ponsonby, 7th Baron de Mauley

Lieutenant Colonel The Right Honourable
The Lord de Mauley
KCVO TD FCA
Lieutenant Colonel The Right Honourable The Lord de Mauley KCVO TD FCA
	Official portrait, 2018
Chair of the International Relations and Defence Committee
	In office; 29 July 2024 – 27 January 2026
Preceded by	The Lord Ashton of Hyde
Succeeded by	George Robertson, Baron Robertson of Port Ellen
Master of the Horse
	In office; 1 January 2019 – 18 June 2024
Monarchs	Elizabeth II; Charles III
Preceded by	The Lord Vestey
Succeeded by	The Lord Ashton of Hyde
Parliamentary Under-Secretary of State; for Natural Environment and Science
	In office; 6 September 2012 – September 2015
Prime Minister	David Cameron
Preceded by	The Lord Taylor of Holbeach
Succeeded by	The Lord Gardiner of Kimble
Lord-in-waiting; Government Whip
	In office; 11 May 2010 – 6 September 2012
Prime Minister	David Cameron
Preceded by	The Lord Young ; of Norwood Green
Succeeded by	The Viscount Younger ; of Leckie
Member of the House of Lords
	Lord Temporal
	Elected Hereditary Peer ; 14 March 2005
By-election	14 March 2005
Preceded by	The 6th Baron Burnham
Personal details
Born	Rupert Charles Ponsonby; 30 June 1957
Party	Conservative
Parents	Hon. Thomas Ponsonby; Maxine Thellusson;
Alma mater	Eton College
Military service
Allegiance	United Kingdom
Branch	British Army Reserve
Years	1976–2005
Rank	Lieutenant colonel
Unit	Royal Wessex Yeomanry

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Lieutenant Colonel Rupert Charles Ponsonby, 7th Baron de Mauley (born 30 June 1957), is a British hereditary peer, former Parliamentary Under-Secretary at the Department for Environment, Food and Rural Affairs and retired Territorial Army officer.