Hans Axel Valdemar Corell (born July 7, 1939) is a Swedish lawyer and diplomat. Between March 1994 and March 2004 he was Under-Secretary-General for Legal Affairs and the Legal Counsel of the United Nations. In this capacity, he was head of the Office of Legal Affairs in the United Nations Secretariat.
Before joining the United Nations in 1994, Corell was an Ambassador and Under-Secretary for Legal and Consular Affairs in the Swedish Ministry for Foreign Affairs. Hans Corell graduated with a Master of Laws at Uppsala University. He currently sits on the advisory board of The International Center for Ethics, Justice and Public Life at Brandeis University and on the boards of the Human Rights Institute of the International Bar Association and the International Science Programme. He was chairman of the board of trustees of the Raoul Wallenberg Institute of Human Rights and Humanitarian Law at Lund University from 2006 to 2012.