John George Dodson, 1st Baron Monk Bretton, PC (18 October 1825 – 25 May 1897), known before 1884 as John George Dodson, was a British Liberal politician. He was Chairman of Ways and Means (Deputy Speaker of the House of Commons) between 1865 and 1872 and later held office under William Ewart Gladstone as Financial Secretary to the Treasury, President of the Local Government Board and Chancellor of the Duchy of Lancaster. In 1884 he was elevated to the peerage as Baron Monk Bretton.