Sir Antony Derek Maxwell Oulton GCB QC (14 October 1927 – 1 August 2016) was a British senior civil servant, who was Permanent Secretary of the Lord Chancellor's Department and Clerk of the Crown in Chancery, United Kingdom from 1982–1989. Oulton was educated at St Edward's School, Oxford and then read law at King's College, Cambridge, where he took a double first. On 8 May 2008, Oulton addressed the , giving a talk entitled "A Life in the Law". In 1955 Oulton married Margaret Oxley, who predeceased him in 1989, had four children by her and died on 1 August 2016 at the age of 88.