Charles Hay Frewen (25 May 1813 – 1 September 1878),[1] known until 1837 as Charles Hay Frewen-Turner, was an English land-owner and Conservative Party politician. He sat in the House of Commons from 1846 to 1857 for East Sussex, and thereafter suffered a series of electoral defeats as he unsuccessfully challenged the political power of the Duke of Rutland in North Leicestershire.