Sir John Douglas Kelso Grant (born 17 October 1954) is a retired British diplomat whose last diplomatic post was Permanent Representative of the United Kingdom to the European Union between 2003 and 2007.
Since 2016 he has held the position of Vice-President, International Government Relations at Anadarko Petroleum Corporation.
He is a member of the Scottish Government’s Standing Council on Europe, a member of the Advisory Board of the Centre for European Reform and a Senior Adviser to PWC on Brexit.