Christopher Jon Martin, CB, CVO (15 May 1973 – 25 November 2015) was a British civil servant.

[3] After graduating from university, Martin took the Civil Service fast-stream entrance exam.

He came top and chose to join HM Treasury for what would be the last months of Kenneth Clarke's tenure.

[1] Under Brown, Martin took a number of roles, including being seconded to the Security Service ("MI5").

In the 2014 Queen's Birthday Honours, Martin was appointed a Companion of the Order of the Bath (CB) "for public service".