The 20th Canadian Battalion, Canadian Expeditionary Force (also known as the 20th (Central Ontario) Battalion, CEF) was composed of volunteers from militias in central Ontario. The unit participated in the Battle of Flanders, Somme, Vimy Ridge, Hill 70, Passchendaele, and the Last Hundred Days. Three members of the battalion were awarded the Victoria Cross. In total, 885 officers and men died while serving with the battalion, which was disbanded in 1920.