Charles Murray Cathcart, 2nd Earl Cathcart GCB (Walton-on-the-Naze 21 December 1783 – 16 July 1859 St Leonards-on-Sea), styled Lord Greenock between 1814 and 1843, was a British Army general who became Governor General of the Province of Canada and Lieutenant Governor of Canada West (26 November 1845 – 30 January 1847).