Sir Gilbert McCall Rennie, GBE, KCMG, MC (24 September 1895 – 12 November 1981) was a British colonial administrator. He was Governor of Northern Rhodesia from 1948 to 1954 and High Commissioner of the Federation of Rhodesia and Nyasaland in London from 1954 and 1961. His obituary in The Times described him as "one of the outstanding administrative officers of his generation".[1]