Sir Christopher John Greenwood (born 12 May 1955) is a former British judge at the International Court of Justice, on which he served from 2009 to 2018.
Prior to his election, he was professor of international law at the London School of Economics and a barrister who regularly appeared as counsel before the International Court of Justice, the European Court of Human Rights, the English courts, and other tribunals.
Greenwood has been appointed as the new master of Magdalene College, Cambridge, succeeding Rowan Williams, and will be taking up his post from 1 October 2020.