The 2003 Australia Day Honours are appointments to various orders and honours to recognise and reward good works by Australian citizens. The list was announced on 26 January 2003 by the Governor General of Australia, Peter Hollingworth.

The Australia Day Honours are the first of the two major annual honours lists, the first announced to coincide with Australia Day (26 January), with the other being the Queen's Birthday Honours, which are announced on the second Monday in June.

Order of Australia Companion (AC) General Division Recipient Citation Notes Ian David Callinan For service to the judiciary and the practice of law, to the arts and to the community. Ashton Trevor Calvert For service to the development of Australian foreign policy, including advancement of business relations between Australia and Japan, and for leadership and highly distinguished contributions to Australia's overall economic and security interests at critical times in the international environment. Keith Mason For service to the law and legal scholarship, to the judicial system in New South Wales, to the Anglican Church, and to the community.Ronald Joseph Walker For service to business, the arts and the community, and to raising the profile of Australia internationally with significant benefit for tourism and employment.

Officer (AO) General Division