General Sir William Charles Giffard Heneker KCB KCMG DSO (August, 1867 – May 1939) was a Canadian born and educated soldier who served with the British Army in West Africa, India, and then later on the western front during the First World War. A notable military strategist and tactician, he became one of the most experienced and highly decorated Canadians in the British Empire, and one of only a handful of Canadians to reach the rank of full General.