Archibald Clifford Blacklow, DSO, OBE, VD (11 October 1879 – 4 April 1965) was an Australian politician. Born in Bagdad, Tasmania, he was educated in Hobart at Hutchins School and then at the University of Sydney, serving part-time in the New South Wales Militia between 1899 and 1901, and then the Australian Rifles between 1909 and 1913. He became a pharmacist in Sydney before serving full-time in the military during the First World War between 1916 and 1919, serving in the 36th and then 35th Infantry Battalions, and rising to command the 3rd Machine Gun Battalion on the Western Front in the final year of the war. For his leadership of the 3rd Machine Gun Battalion, he was invested with the Distinguished Service Order. Between 1921 and 1924 he commanded the 34th Infantry Battalion.