Sir Charles Whetham (1812 - 4 September 1885) was a businessman and politician who served as Lord Mayor of London in 1878-1879. A native of Bridport, Dorset, Whetham became a partner in the firm of S Whetham & Sons, flax and hemp manufacturers. The company had offices in Gracechurch Street in the City of London, and Whetham moved to the capital, where he became involved in the local politics of the City. In 1843 he was elected to the Common Council as a representative of Bridge Ward. He became deputy of the ward in 1865 and became an alderman in 1871. He served as Sheriff of London and Middlesex in 1873 - 1874, during which term he was knighted. He was Master of the Worshipful Company of Leathersellers in 1873 - 1874.