Sir Ninian Martin Stephen, was an English-born Australian judge who served as the 20th governor-general of Australia, in office from 1982 to 1989. He was previously a justice of the High Court of Australia from 1972 to 1982.

The Order of Australia is an honour that recognises Australian citizens and other persons for outstanding achievement and service. It was established on 14 February 1975 by Elizabeth II, Queen of Australia, on the advice of the Australian Government. Before the establishment of the order, Australian citizens received British honours.