General Sir Charles Falkland Loewen, GCB, KBE, DSO (17 September 1900 – 17 August 1986) was a Canadian-born British Army officer who served as Adjutant-General to the Forces from 1956 to 1959.

Educated at the Royal Military College of Canada in Kingston, Ontario, where he enrolled in 1916, Charles Loewen joined the British Army in 1918.

He was commissioned as a second lieutenant into the Royal Field Artillery during the close of the First World War as he was too young for active service with the Canadian Army.

[5] That same year saw the outbreak of the Second World War, at which time Loewen was serving in England as an instructor at the Staff College, Camberley.

[9] Loewen was also involved in the Italian campaign, where he later served as General Officer Commanding (GOC) of the 1st Infantry Division from July 1944.

[22] Appointed a Knight Commander of the Order of the Bath in the 1954 New Year Honours,[23] following his promotion to general on 16 April,[24] he went on to be Adjutant-General to the Forces in 1956.