William Thompson (baptised 23 January 1792 – 10 March 1854) was an English businessman who was Lord Mayor of London and Member of Parliament.
Baptised on 23 January 1792, he was the son of James Thompson of Grayrigg, Kendal, Westmorland, and was educated at Charterhouse School.
[1] He moved to London as an iron merchant and by 1800 was senior partner in the firm of Thompson, Forman and Homfray of Bankside, which had interests in iron manufacturing.
[1] He served as Chairman of Lloyd's of London (1826–33), treasurer (1826–29), vice-president (1829–43) and president (1843–54) of the Honourable Artillery Company and a director of the Bank of England from 1827 to his death.
[1] He also served as Lieutenant-Colonel of the Royal London Militia (1835–51) and Colonel from 1851 to his death.