The 185th (Cape Breton Highlanders) Battalion, CEF was a unit in the Canadian Expeditionary Force during the First World War. Based in Broughton, Cape Breton, the unit began recruiting during the winter of 1915/16 throughout Cape Breton Island, Nova Scotia. After sailing to England in October 1916, the battalion was absorbed into the 17th Reserve Battalion on February 15, 1918.