Sir Arthur Edward Middleton, M.P., 7th Baronet (12 January 1838 – 1 April 1933) was a British MP for the City of Durham.
His mother was Laura, daughter of Sir Matthew White Ridley (1778–1836) 3rd Baronet of Blagdon Hall, Northumberland.
He attended Rugby School and matriculated at Trinity College, Cambridge in 1856.
He rebuilt the 1614 manor house and restored the pele tower with the help of architect Charles John Ferguson.
[1][2] Middleton and Farrer Herschell were recruited to run for the Liberal Party after the 1874 general election in the City of Durham was voided on petition.