Edmund Dunch of Little Wittenham, Berkshire and Down Ampney, Gloucestershire, was an English Whig politician who sat in the English and British House of Commons between 1701 and 1719.

Little Wittenham is a village and civil parish on the south bank of the River Thames, northeast of Didcot in South Oxfordshire. In 1974 it was transferred from Berkshire to the county of Oxfordshire and from Wallingford Rural District to the district of South Oxfordshire.