Cecil William Alderson was a British-born Anglican Bishop of (successively) Damaraland, Bloemfontein, and Mashonaland.
He was born on 11 March 1900, educated at Merchant Taylors' and St John's College, Oxford, and ordained in 1926 after a period of study at Ely Theological College.
He began his career with a curacy at St Matthew, Westminster. From 1925 to 1930 he was Vice-Principal of his old theological college then a missionary in Likoma. In 1938 he became Warden of St Paul's College, Grahamstown, then in 1944 archdeacon of Port Elizabeth. He was bishop of Damaraland from 1949 to 1951 when he was translated to Bloemfontein. His last post was as bishop of Mashonaland where he played a key role in the foundation of the Bernard Mizeki College from around 1958 till the time of his death.
He was admitted as a Sub-Prelate to the Order of St John of Jerusalem, he died on 12 February 1968.