Albert Jaime Grassby, AM (12 July 1926 – 23 April 2005) was an Australian politician who served as Minister for Immigration in the Labor Whitlam Government. He completed reforms in immigration and human rights, and is often known as the father of Australian "multiculturalism". He gained notoriety by acting as an agent of influence for the Calabrian criminal network that murdered anti-drugs campaigner Donald Mackay.