Oliver Michael Robert Eden, 8th Baron Henley and 6th Baron Northington PC (born 22 November 1953) is a British hereditary peer and politician, who is a Conservative member of the House of Lords. He serves as Parliamentary Under-Secretary of State at the Department for Work and Pensions and as a Lord in Waiting.
Lord Henley served as a Minister of State at the Home Office with responsibility for Crime Prevention and Anti-Social Behaviour Reduction, a role in which he succeeded Lady Browning in September 2011 to September 2012.
Lord Henley is the eldest son and fourth child of Michael, the seventh Baron, and Nancy Mary Walton. He was educated at Clifton College. He graduated from Collingwood College, Durham University with a Bachelor of Arts (BA) degree in 1975. He was called to the Bar by the Middle Temple in 1977.
Lord Henley succeeded to the peerage in 1977 upon the death of his father. An Irish peer, he is able to sit in the House of Lords by virtue of a United Kingdom peerage granted to the 3rd Baron Henley, namely Baron Northington. He was an elected County Councillor for Cumbria from 1986 to 1989. He was also at that time President of the Cumbria Association of Local Councils.
He served as a House of Lords whip under Margaret Thatcher from 1989 to July 1990. He then moved to become a Parliamentary Under-Secretary of State at the Department of Social Security, retaining the position when John Major rose to power and serving until 1993. He was then briefly moved to the Department of Employment, when in 1994 he was again fleetingly moved to the Ministry of Defence. In 1995 he was promoted to Minister of State at the Department for Education and Employment, serving until the Conservative government lost the 1997 general election.