John Elliot Burns (20 October 1858 – 24 January 1943) was an English trade unionist and politician, particularly associated with London politics and Battersea.
He was a socialist and then a Liberal Member of Parliament and Minister.
He was anti-alcohol and a keen sportsman.
After retiring from politics, he developed an expertise in London history and coined the phrase "The Thames is liquid history".
When the Liberal cabinet made a decision for war on 2 August 1914, he resigned and played no further role in politics.