The 110th Battalion (Perth), CEF, was an infantry battalion of the Canadian Expeditionary Force. The 110th Battalion was authorized on 22 December 1915 and embarked for Great Britain on 31 October 1916, where, on 2 January 1917, its personnel were absorbed by the 8th Reserve Battalion, CEF to provide reinforcements for the Canadian Corps in the field. The battalion disbanded on 17 July 1917.