Samuel Dunch (1593–1668) was an English politician who sat in the House of Commons in 1621 and 1653.
Dunch was the son of Edmund Dunch of Little Wittenham in Berkshire (now Oxfordshire). He matriculated at Magdalen College, Oxford on 11 November 1608, aged 15 and was awarded BA on 23 January 1612. He was a student of Gray's Inn in 1611. In 1621 he was elected MP for Wallingford. He was also a Justice of the Peace and served as High Sheriff of Berkshire in 1629. He lived at Pusey in Berkshire (now Oxfordshire).
Dunch married Dulcibella Moore, daughter of John Moore, Serjeant-at-law, by licence dated 28 May 1617. Through her, he inherited North Baddesley Manor. Amongst their children was John Dunch MP. Dunch's brother, Sir William Dunch was also MP for Berkshire.
- Annells, P. (2006) The Berkshire Dunches.
- Hedges, J.K. (1881) Wallingford History, Wm Clowes, London