William Lee (23 August 1801 – 29 September 1881) was an English cement merchant and Whig and later Liberal politician who sat in the House of Commons in two periods between 1853 and 1870. Lee was the son of Henry Lee of Camp's Hill, Lewisham. He was a partner of the firm of Lee, Son and Co., lime and cement merchants of London and Rochester, Kent. He was director of the Millwall Freehold Land and Docks Co., the Metropolitan Railway, and the Victoria Station & Pimlico Railway. He was a Deputy Lieutenant and J.P. for Kent.