The 200th Battalion, CEF was a unit in the Canadian Expeditionary Force during the First World War. Based in Winnipeg, Manitoba, the unit began recruiting during the winter of 1915/16 in that city. After sailing to England in May 1917, the battalion was absorbed into the 11th Reserve Battalion on May 14, 1917. The 200th Battalion, CEF had one Officer Commanding: Lieut-Col. A. L. Bonnycastle.