John Dodd (24 September 1717 – 9 February 1782 in Swallowfield) was an English Whig politician.
He was the only son of Randolph (or Randall) Dodd of Chester and educated at Eton College (1728-32) and King’s College, Cambridge (1735). He succeeded his father in 1721.
A close friend of Horace Walpole, he was Member of Parliament (MP) for Reading in Berkshire in 1741, and from 1755 to 1782.
He lived at Swallowfield Park, near Reading. He married firstly Jane, the daughter of Henry Le Coq St. Leger of Shinfield, Berkshire, with whom he had 3 sons and a daughter and secondly Juliana, the daughter of Philip Jennings of Duddleston Hall, Shropshire, with whom he had a further son and 3 daughters.