Joshua Samuel Crompton (17 September 1799 – 17 June 1881) was a British politician.
Crompton studied at Jesus College, Cambridge.[1] He then lived at Sion Hill in Yorkshire. At the 1832 UK general election, he stood in Ripon, winning the seat as a Whig. He stood down at the 1835 UK general election.[2] He later served as a magistrate in both the North and West Riding of Yorkshire.[1]