Sir John Helier Le Rougetel KCMG MC (19 June 1894 – 3 January 1975[1]) was a British diplomat.

Le Rougetel was educated at Rossall School and Magdalene College, Cambridge.

[2] He was awarded the Military Cross and Bar for his actions during the war, in which he served on the Western Front and was attached to the Machine Gun Corps.

[3] Le Rougtel joined the Foreign Office in 1920, and subsequently served in postings in Vienna, Budapest, Ottawa, Tokyo, Pekin, The Hague, Bucharest, Moscow, Shanghai.

Le Rougetel later served as British Ambassador to Belgium (1950-1) and as a High Commissioner to South Africa (1951-5).