Simon James Heffer (born 18 July 1960) is an English historian, journalist, author and political commentator. He has published several biographies and a series of books on the social history of Great Britain from the mid-nineteenth century until the end of the First World War. He was appointed professorial research fellow at the University of Buckingham in 2017. He worked as a columnist for the Daily Mail and since 2015 has had a weekly column in The Sunday Telegraph. As a political commentator, Heffer takes a socially conservative position.