Sir Peter John Goulden GCMG (born 21 February 1941) is a British retired diplomat who was Ambassador to Turkey from 1992 until 1995, then Permanent Representative to the North Atlantic Council and to the Western European Union 1995–2001.
From 1974 to 1976 he ran the Foreign Office's recruitment programme, taking off a month in 1974 to join the Geneva negotiations on Cyprus.
Between 1984 and 1987 he served as Head of Chancery at the UK Representation to the European Communities in Brussels, returning to London as Assistant Under-Secretary of State (Defence) at the FCO from 1988 to 1992.
He took up post as the United Kingdom Permanent Representative to the North Atlantic Council and to the Western European Union on 3 April 1995.
After retiring from the Diplomatic Service, Goulden began to pursue his interest in the revolution in musical performance during the early nineteenth century and the role in this of the conductor and composer Michael Costa.