The 2021 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 2021 by the Governor General of Australia, David Hurley.

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 of the Order of Australia (AC) General Division The Reverend Margaret Court, – For eminent service to tennis as an internationally acclaimed player and record-holding grand slam champion, and as a mentor of young sportspersons. Rabbi Dr John Simon Levi, – For eminent service to Judaism through seminal roles with religious, community and historical organisations, to the advancement of interfaith understanding, tolerance and collaboration, and to education. Emeritus Professor Cheryl Elisabeth Praeger, – For eminent service to mathematics, and to tertiary education, as a leading academic and researcher, to international organisations, and as a champion of women in STEM careers. The Honourable Malcolm Bligh Turnbull – For eminent service to the people and Parliament of Australia, particularly as Prime Minister, through significant contributions to national security, free trade, the environment and clean energy, innovation, economic reform and marriage equality, and to business and philanthropy.

Officer of the Order of Australia (AO) General Division Kenneth Craig Allen, – For distinguished service to international relations, particularly through global information sharing networks for expatriate Australian professionals. Professor Eileen Baldry – For distinguished service to tertiary education, to criminology and social welfare policy, and as an advocate for diversity, equity and inclusion. Timothy Filiga Cahill – For distinguished service to football as an elite player at the national and international level, and to charitable and sports organisations. Professor Alan Cass – For distinguished service to medical research, particularly to the prevention and management of chronic kidney disease, to improved Indigenous clinical care and health outcomes, and as a mentor. Gregory Chappell, – For distinguished service to cricket as a leading player, captain, coach and administrator at the elite level, and to a range of charitable foundations. Professor William Neil Charman – For distinguished service to tertiary education, particularly to the pharmaceutical sciences, and to professional organisations. Charles George Clark – For distinguished service to the wine industry through leadership roles, to finance and business, to the arts, and to charitable initiatives. Professor Susan Ruth Davis – For distinguished service to medicine, to women's health as a clinical endocrinologist and researcher, and to medical education. Emeritus Professor Christopher Joseph Fell, – For distinguished service to science and engineering, particularly to nanotechnology research and fabrication, and to professional networks. Dr Kenneth Duncan Fitch, – For distinguished service to sports medicine at the national and international level through a range of roles, and to medical education. Professor Graham Clifford Goodwin – For distinguished service to tertiary education, and to electrical engineering, as an academic and researcher, and to scientific academies. Malcolm John Hazell, – For distinguished service to the Crown, and through a range of advisory and consultancy roles with government and business. Dr Barry David Inglis, – For distinguished service to science and engineering, particularly to metrology, measurement standards and research, and to professional organisations. Robert Niven Johanson – For distinguished service to the banking sector, to Australia-India relations, and to tertiary education governance and financial administration. Professor Peter Jeffery Leedman – For distinguished service to medicine, health and medical research as a physician-scientist, to professional societies, and to tertiary education. Michael Douglas Mann, – For distinguished service to tertiary education through strategic development initiatives, and to Australia-South East Asia relations. Emeritus Professor Andrew Markus – For distinguished service to tertiary education, particularly to the study of Jewish civilisation, as a sociologist and demographer, and to multiculturalism. Professor Helene Marsh – For distinguished service to the biological and environmental sciences, to the conservation of marine mammals, and to tertiary education. Emeritus Professor Kathryn Marsh – For distinguished service to music education as an academic, researcher, author and mentor, and to professional musicological societies. Professor Paul Christopher Memmott – For distinguished service to ethno-architecture and anthropology, to Indigenous housing and cultural heritage, and to tertiary education. Samantha Joy Mostyn – For distinguished service to business and sustainability, and to the community, through seminal contributions to a range of organisations, and to women. Professor Robert Francis Moulds – For distinguished service to medicine, to clinical pharmacology and medical education, and to the development of therapeutic guidelines. The late Dr Brian John O'Brien – For distinguished service to science, particularly to lunar dust research, to tertiary education in the field of physics, and to the environment. Professor Helen O'Connell – For distinguished service to medical education, and to medicine, in the field of urology, as an academic and clinician, and to professional groups. Dr Sally Anne Pitkin – For distinguished service to business, to corporate governance standards and performance, to the arts, and to the advancement of women. Daryl Paul Quinlivan – For distinguished service to public administration through leadership roles in the areas of agriculture, water and the environment. Professor Mark Randolph – For distinguished service to geotechnical engineering and science, to tertiary education and research, and to professional organisations. Professor Roger Robert Reddel – For distinguished service to biomedical research in the field of adult and childhood cancer and genetics, and to tertiary education. Dr Russell Evan Reichelt – For distinguished service to marine conservation, to ecosystem management of the Great Barrier Reef, and to climate change research. The Honourable Trevor John Riley, – For distinguished service to the judiciary as Chief Justice of the Supreme Court of the Northern Territory, to the law, and to the community. Emeritus Professor Kay Elizabeth Saunders, – For distinguished service to tertiary education, particularly to history, as an academic and author, to professional associations, and to the community. Brenda Shanahan – For distinguished service to medical health research, to the business and finance sectors, to corporate governance, and to philanthropy. Bret William Walker – For distinguished service to the law through a range of roles, particularly to national security and civil liberties, and to professional legal associations. Gabriel Marie Waterhouse – For distinguished service to the thoroughbred horse racing industry, particularly as a leading trainer, and as a role model for young women. The Honourable Jay Weatherill – For distinguished service to the people and Parliament of South Australia, particularly as Premier, and to early childhood and tertiary education.

Military Division Army Major General Roger John Noble, – For distinguished service in the appointments of Head Military Strategic Commitments, Deputy Chief Joint Operations and Deputy Commanding General United States Army Pacific.

Air Force Air Vice-Marshal Leigh Andrew Gordon, – For distinguished service in responsible positions in acquisition and sustainment of aerospace systems for the Australian Defence Force.

Honorary Chrissie Parrott – For distinguished service to the performing arts, particularly to dance, as a performer, choreographer and director, and through mentoring roles.

Member of the Order of Australia (AM) General Division Lisa Michelle Alexander – For significant service to netball at the elite level. Professor Margaret Mary Alston, – For significant service to tertiary education, to social sustainability, and to women. Professor Emily Banks – For significant service to medical research and education. Lawrence Geoffrey Barnett – For significant service to Australian rules football, and to little athletics. Donald Steele Barrett – For significant service to tertiary education, particularly to the classics and ancient history. Professor Ronald Ian Bartsch – For significant service to aviation law, and to safety and compliance. Judith Ann Bell – For significant service to the administration of justice, to the visual arts, and to education. Kerrin Benson – For significant service to the multicultural community, and to refugee settlement. Paula Benson – For significant service to people living with ovarian cancer, and to business. Kerry John Betros – For significant service to the banking sector, to the retail food industry, and to the community. Bernadette Black – For significant service to youth, to local government, and to the community. Hugh Burton Bradley – For significant service to the law, to the judiciary, and to the community. Associate Professor Anne Marie Brooks – For significant service to ophthalmology, and to eye health organisations. Associate Professor Douglas James Brown – For significant service to medicine, particularly to spinal cord injuries. Kirsty Margaret Brown, – For significant service to youth through Scouts. Anne Gordon Burgess – For significant service to mental health, to gender equality, and to older persons. Amy Ellen Burow – For significant service to athletics, and through support for women and junior sportspersons. Ross James Burridge – For significant service to little athletics, and to the horse racing industry. Michael Raymond Buxton – For significant service to the visual arts, and to the property development sector. Georgina Byron – For significant service to the community, and to social change initiatives. Stephen James Byron – For significant service to the aviation infrastructure sector, and to tourism. Clyde Mark Campbell – For significant service to community health, particularly to people living with Parkinson's disease. Dr Peter Raymond Carroll – For significant service to pharmaceutical education, and to community health. The late Warwick George Cary, – For significant service to emergency response organisations, and to military history and awards. Susan Gale Cato – For significant service to the contemporary arts, to women, and to social justice. Professor Michael Graham Chapman – For significant service to medical education, and to obstetrics and gynaecology. Susanne Valerie Clarke – For significant service to community health in regional Victoria. Dr David John Collins – For significant service to organic chemistry, and to tertiary education. Professor Robert Arthur Constable – For significant service to music education, to performance, and to composition. Peter Aubrey Cosier – For significant service to land conservation, and to natural resource management. Dr Paul Craft – For significant service to medicine, to oncology, and to professional organisations. Dr John Lionel Crompton, – For significant service to ophthalmology, and to the community of the Asia-Pacific region. The late Dr James Thomas Cummins, – For significant service to medicine, to neurosurgery, and to professional medical societies. William Reginald d'Apice – For significant service to the law, to the legal profession, and to the Catholic Church of Australia.