Spencer Compton, 2nd Marquess of Northampton

The Most Honourable The Marquess of Northampton FRS FGS
A painting of the Marquess of Northampton made by Henry Raeburn in 1821.
26th President of the Royal Society
In office 1830–1838
Preceded by	Prince Augustus Frederick
Succeeded by	William Parsons
Member of Parliament for Northampton
In office 1812–1820
Preceded by	Spencer Perceval
Succeeded by	George Robinson
Personal details
Born	(1790-01-02)2 January 1790
Died	17 January 1851(1851-01-17) (aged 61)
Resting place	Castle Ashby
Nationality	British
Spouse	Margaret Douglas-Maclean-Clephane ​ ​ (m. 1815; died 1830)​
Children	6, including Charles, William, and Alwyne
Parent(s)	Charles Compton, 1st Marquess of Northampton Maria Smith
Alma mater	Trinity College, Cambridge

Spencer Joshua Alwyne Compton, 2nd Marquess of Northampton FRS FGS (2 January 1790 – 17 January 1851), known as Lord Compton from 1796 to 1812 and as Earl Compton from 1812 to 1828, was a British nobleman and patron of science and the arts.