Sir John Hynde Cotton, 3rd Baronet (bap. 1686 – 1752) of Madingley Hall, Cambridgeshire was an English landowner and Tory politician who sat in the English and British House of Commons for 44 years from 1708 to 1752. The historian Eveline Cruickshanks called him "one of the most zealous Jacobites in England".