Christopher Blackett (23 October 1787 – 16 January 1847) was a British politician from Northumberland.
The son of colliery owner Christopher Blackett (1751–1829), his family had lived for centuries at Wylam near Newcastle upon Tyne.
He was a Member of Parliament (MP) for the rotten borough of Bere Alston from 1830 to 1831, and for South Northumberland, 1837–1841.
His eldest son John (1821–1856) was also an MP.