List of Famous people with last name Heydon

John Dyson Heydon is a former Australian judge and barrister who served on the High Court of Australia from 2003 to 2013 and the New South Wales Court of Appeal from 2000 to 2003, and previously served as Dean of the Sydney Law School. He retired from the bench at the constitutionally-mandated age of 70 and went on to chair the Royal Commission into Trade Union Governance and Corruption between 2014 and 2015.

Martin Heydon is an Irish Fine Gael politician who has served as Minister of State at the Department of Agriculture, Food and the Marine with responsibility for Research & Development, Farm Safety and New Market Development since July 2020. He has been a Teachta Dála (TD) for the Kildare South constituency since 2011. He previously served as the Chairman of the Fine Gael Parliamentary Party from 2016 to 2020.