Jan Margaret Beagle is a diplomat from New Zealand who has been serving as the Director-General of the International Development Law Organization (IDLO) since 2020. From 2017 until 2019, she was the Under-Secretary-General of the United Nations for Management, appointed to this position by United Nations Secretary-General António Guterres on 1 June 2017. She then served as Special Advisor to the Secretary-General on Systemwide Implementation of Chief Executive Board decisions.