Alderman Sir William Anderson Rose (16 August 1820 – 9 June 1881) was a businessman, MP and Lord Mayor of London.
Rose was educated at St Olave's Grammar School and University College London. He served as a Sheriff of the City of London for 1855 and was elected Lord Mayor of London for 1862. He was elected as Conservative MP for Southampton from 1862 to 1865.[1]
He was appointed Colonel of the Royal London Militia on 16 November 1870, and after retirement was appointed Honorary Colonel of the regiment on 12 June 1880.[2]