General Sir Guy Charles Williams, KCB, CMG, DSO (10 September 1881 – 2 February 1959) was a British Army officer who served as General Officer Commanding-in-Chief (GOC-in-C) Eastern Command during the Second World War.

Born in Bangalore in British India on 10 September 1881, Guy Williams was sent to England where he was educated at Sherborne School.

[4] After attending the Staff College, Camberley, graduating in 1919, Williams was appointed Deputy Military Secretary at the War Office in 1923 and the commander of the 8th Brigade in 1927.

[5] In 1928 he became an instructor at the Imperial Defence College and then Engineer in Chief at Aldershot Command.

[4] Williams served in the Second World War as GOC-in-Chief Eastern Command from 1938 to 1941, when he was appointed Military Adviser to the New Zealand Government: he retired later that year.