Major-General Reginald Kingscote "Rex" Hewer CB CBE MC (1892 – 15 November 1970) was a British Army cavalry officer.

[1] Hewer was commissioned into the Royal Field Artillery on 12 October 1914,[2] and saw active service in the First World War.

Following the fall of France he was appointed OBE for his part in organising the Dunkirk evacuation[5] and posted to Middle East Command, first as Assistant Adjutant & Quartermaster-General, and then later Director of Movements with the same formation in the temporary rank of Brigadier.

[7] He was promoted to the substantive rank of colonel on 27 June 1942[8] and advanced to Commander in the Order of the British Empire on 9 September 1942.

[11] Between 1945 and 1947 Hewer was Deputy Director-General of the United Nations European Central Inland Transport Organization.