Sir Stephen Mark Jeffrey Lamport, GCVO, DL (born 27 November 1951) is a former Receiver General of Westminster Abbey.
He was Group Director for Public Policy and Government Affairs for the Royal Bank of Scotland until 2007.
Lamport is also a member of the Advisory Board of the Centre for Ethics in Public Policy and Corporate Governance of Glasgow Caledonian University.
In 2018 Queen's Birthday Honours, he was appointed Knight Grand Cross of the Royal Victorian Order (GCVO).
He was portrayed by Tim McMullan in the film The Queen (2006), concerning events before and after the death of Diana, Princess of Wales in 1997.