Henry Pelham-Clinton, 4th Duke of Newcastle

His Grace
The Duke of Newcastle
KG
His Grace The Duke of Newcastle KG
	Portrait by Henry William Pickersgill, 1835
Lord Lieutenant of Nottinghamshire
	In office; 1809–1839
Preceded by	The Duke of Portland
Succeeded by	The Earl of Scarbrough
Member of the House of Lords
	Lord Temporal
	In office; 18 May 1795 – 12 January 1851
Preceded by	The 3rd Duke of Newcastle
Succeeded by	The 5th Duke of Newcastle
Personal details
Born	Henry Pelham Fiennes Pelham-Clinton; 31 January 1785
Died	12 January 1851 (aged 65); Clumber Park
Resting place	All Saints' Church, West Markham
Spouse	Georgiana Elizabeth Mundy; (m. 1807; died 1822)
Children	Lady Anna Maria Pelham-Clinton; Lady Georgiana Pelham-Clinton; Henry Pelham-Clinton, 5th Duke of Newcastle; Lady Charlotte Pelham-Clinton; Lord Charles Clinton; Lord Thomas Charles Pelham-Clinton; Lord William Pelham-Clinton; Lord Edward Pelham-Clinton; Lord John Pelham-Clinton; Lady Caroline Augusta Ricketts; Lady Henrietta D'Eyncourt; Lord Robert Pelham-Clinton; Lord George Pelham Clinton;
Parent(s)	Thomas Pelham-Clinton, 3rd Duke of Newcastle; Lady Anna Maria Stanhope
Education	Eton College

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Henry Pelham Fiennes Pelham-Clinton, 4th Duke of Newcastle-under-Lyne (31 January 1785 – 12 January 1851), was a British nobleman and politician who played a leading part in British politics in the late 1820s and early 1830s. He was styled Lord Clinton from birth until 1794 and Earl of Lincoln between 1794 and 1795.