Robert Cecil, 1st Viscount Cecil of Chelwood, English lawyer and politician, Chancellor of the Duchy of Lancaster, Nobel Prize laureate (b. 1864)

Edgar Algernon Robert Gascoyne-Cecil, 1st Viscount Cecil of Chelwood, (14 September 1864 – 24 November 1958), known as Lord Robert Cecil from 1868 to 1923, was a British lawyer, politician and diplomat. He was one of the architects of the League of Nations and a defender of it, whose service to the organisation saw him awarded the Nobel Peace Prize in 1937.