Sir Graham Hugh Boyce KCMG (born 6 October 1945) is a retired British diplomat. He is the son of Commander Hugh Boyce and brother to Philip Boyce, who was president of the Royal College of Psychiatry in Australia, and Lord Michael Boyce, former First Sea Lord of the Royal Navy and Chief of the Defence Staff.
Boyce was educated at Hurstpierpoint College and at Jesus College, Cambridge. Sir Graham served in the Diplomatic Service between 1968 and 2003, during which time he held the following offices:
He was invested as a Companion of the Order of St. Michael and St. George (CMG) in 1991, and as a Knight Commander of the Order of St. Michael and St. George (KCMG) in 2001.
Boyce married Janet Elizabeth Spencer on 11 April 1970. They have four children: James (b. 1971), Rachel (b. 1974), Sara (b. 1980), and Josephine ( b. 1984).
Since leaving the Foreign and Commonwealth Office Boyce has worked for a number of companies in and Advisory capacity including serving on the advisory board of Lehman Brothers Middle East, Merchant International Group and Invensys. He is currently an advisor to Nomura, DLA Piper, and Air Products. He has also been a consultant to UK-based arms company BAE Systems and deputy chairman of UK-based arms company Vosper Thorneycroft.