The 2021 Queen's Birthday Honours for Australia were announced on 14 June 2021 by the Governor-General, David Hurley.

The Birthday Honours are appointments by some of the 16 Commonwealth realms of Queen Elizabeth II to various orders and honours to reward and highlight good works by citizens of those countries. The Birthday Honours are awarded as part of the Queen's Official Birthday celebrations during the month of June.

Order of Australia

Companion of the Order of Australia (AC) General Division Frances Adamson – For eminent service to public administration through the advancement of Australia's diplomatic, trade and cultural interests, particularly with the People's Republic of China and the Indo-Pacific region, to innovative foreign policy development and high level program delivery, and as the 36th Governor appointed in South Australia. The Most Reverend Dr Phillip John Aspinall – For eminent service to the Anglican Church of Australia, to the development of ecumenical relationships and professional standards, and through commitment to social justice and welfare. Barbara Avalon Baker – For eminent service to the people of Tasmania through leading contributions to the law, to the judiciary and to the administration of justice, particularly in the area of family law, to professional legal organisations, and as a mentor and role model for young women, and as the 29th Governor appointed in Tasmania. Emeritus Professor Kurt Lambeck, – For eminent service to science, particularly to geophysics and geodesy, through research roles at the national and international level, to professional scientific organisations, and to education. David Graeme McAllister, – For eminent service to the performing arts, particularly to ballet both nationally and internationally, to artistic directorship and dance education, and as a mentor.

Officer of the Order of Australia (AO) General Division Professor Philip Geoffrey Alston – For distinguished service to the law, particularly in the area of international human rights, and to legal education. Philip John Bacon, – For distinguished service to the arts, to social and cultural organisations, and through support for young artists. Professor Peter Mark Bartold, – For distinguished service to dentistry, to periodontal research and education, and to professional dental organisations. Professor Adrian Bauman – For distinguished service to public health, to the prevention of chronic disease, and to tertiary education. The Honourable Patricia Anne Bergin, – For distinguished service to the law, and to the judiciary, to legal administration, and as a mentor and advisor. Emeritus Professor Colin William Binns – For distinguished service to medical research, to tertiary education, to public health policy and human nutrition. Russell Stewart Boyd – For distinguished service to the visual arts as a cinematographer of Australian feature films and television productions. Gerard Patrick Bradley – For distinguished service to public administration, to economic policy, and to the community of Queensland. Suzi Carp – For distinguished service to medical research, to children, and to the community through leadership roles. Dr Bridget Mary Carty – For distinguished service to people who are deaf or hard of hearing, to education and research, and to the community. Dr Patrick Toby Hewlett Coates – For distinguished service to renal medicine, to professional medical organisations, and to tertiary education. Everald Ernest Compton, – For distinguished service to the aged welfare sector through advocacy and advisory roles, to the Uniting Church in Australia, and to the community. Peta-Louise Mary Credlin – For distinguished service to parliament and politics, to policy development, and to the executive function of government. Neale Francis Daniher, – For distinguished service to people with Motor Neurone Disease and their families through advocacy, public education and fundraising initiatives. Professor Stephen Misha Davis, – For distinguished service to medical education, to stroke research, and to the management of cerebrovascular disease. Erika Elizabeth Feller – For distinguished service to the international community, to the recognition and protection of human rights, and to refugee law. Professor Susan Fletcher – For distinguished service to medical research, to neurological science, and to the treatment and support of those with Muscular Dystrophy. Dr Ian Richard Freckelton, – For distinguished service to the law, and to the legal profession, across fields including health, medicine and technology. Professor Paul Philip Glasziou – For distinguished service to medical education and standards, and to evidence-based medical research. The Honourable Michael Patrick Grant – For distinguished service to the law, and to the judiciary, particularly as Chief Justice of the Northern Territory. Dr Vanessa Ann Guthrie – For distinguished service to the minerals and resources sector, and as a role model for women in business. Warwick Donald Hemsley – For distinguished service to the arts, to the community, and to the residential development sector. Dr Michael Henderson – For distinguished service to motor vehicle and motorsport safety, and to the prevention of road trauma. Ian William Hicks, – For distinguished service to the community through philanthropic support for the arts, education and social welfare bodies. Professor Donald William Howie – For distinguished service to medicine in the field of orthopaedics, and to professional medical organisations. Kay Elizabeth Hull, – For distinguished service to rural and regional communities through health, skills development, and agricultural organisations. Peter Alexander Ivany, – For distinguished service to the community as a supporter of sporting, arts, film, not-for-profit, and natural science organisations. Cameron James Kerr – For distinguished service to wildlife conservation, to animal science education, and to zoological associations. Janine Anne Kirk, – For distinguished service to the community through leadership and advisory roles in not-for-profit organisations. Dr Evans Lagudah – For distinguished service to agriculture and food science as a researcher in the area of wheat genetics. Professor Jane Alexandra McAdam – For distinguished service to international refugee law, particularly to climate change and the displacement of people. Clinical Professor Michael John McDaniel – For distinguished service to Indigenous tertiary education, to the advancement of social cohesion through reconciliation, to the performing arts, and to the community. Professor Geoffrey Lionel Metz, – For distinguished service to medicine, to medical education both nationally and internationally, and to professional medical organisations. Christine Nixon, – For distinguished service to law enforcement, to women in policing, and to tertiary education. Professor Leonard George Notaras, – For distinguished service to medical administration in the Northern Territory, and to professional organisations. Dr Ann Margaret O'Neill – For distinguished service to the community through support for people affected by family and domestic violence. Emeritus Professor Robert Baden Offord – For distinguished service to tertiary education in the field of human rights, social justice, and cultural diversity. Dr Suzanne Mary Packer, – For distinguished service to children through roles in health, welfare and protection initiatives. Emeritus Professor Lester John Peters, – For distinguished service to medicine, particularly to radiation oncology, and to professional medical groups. Clinical Professor Carol Anne Pollock – For distinguished service to medical research, education and science, to nephrology, and to clinical practice and governance. Dr Stephen Rich Rintoul – For distinguished service to climate science through oceanographic and Antarctic research and policy development. Paul Salteri, – For distinguished service to the community through philanthropic support for a range of organisations, and to business. Professor Richard Anthony Scolyer – For distinguished service to medicine, particularly in the field of melanoma and skin cancer, and to national and international professional organisations. Kenneth John Smith – For distinguished service to public administration, and to public sector leadership and education. Douglas Norman Snedden – For distinguished service to the community through social welfare, health, and cultural institutions. Emeritus Professor Alan Osbourne Trounson – For distinguished service to medical science, and to in vitro fertilisation and stem cell technologies. Ian Richard Trust – For distinguished service to the Indigenous community, to economic and social development, and to emerging first nations leaders. Professor Anne Frances Twomey – For distinguished service to the law, to legal education, and to public education on constitutional matters. Emeritus Professor James Stanislaus Williams, – For distinguished service to the physical sciences, to tertiary education, and to professional scientific organisations. Professor Stephen Donald Wilton – For distinguished service to medical research, to neurological science, and to the treatment of Muscular Dystrophy.

Military Division Army Major General Adam George Findlay, – For distinguished service and exceptional leadership as Special Operations Commander Australia, Commander Special Operations Joint Task Force - Iraq, and Commander of the 7th Brigade.

Member of the Order of Australia (AM) General Division Dr Richard Abbott – For significant service to medicine, and to leukaemia research. Soheil Abedian – For significant service to the community, and to the property development sector. Emeritus Professor Jaynie Louise Anderson – For significant service to tertiary education, particularly to art history in Australia. Dr John T. Andrews – For significant service to nuclear medicine, and to professional societies. Professor Philip Edmund Aylward – For significant service to medicine, and to community health administration. Dr Brian Keith Babington – For significant service to children through safety and well-being initiatives. Dr Ian Charles Baldwin – For significant service to critical care nursing, and to medical research. Professor Kylie Ball – For significant service to physical activity and nutrition education. Professor James Gerard Barber – For significant service to tertiary education administration, and to youth. Associate Professor Lennie Barblett – For significant service to tertiary education, and to early childhood teaching. Narelle Joyce Barker – For significant service to education, and to the community. Dr Gavin John Becker – For significant service to medicine, to nephrology, and to professional societies. Dr John Leslie Bennett – For significant service to education, to mathematics, and to curriculum standards. Professor Michael Heywood Bennett – For significant service to medical education, and to hyperbaric medicine. Noel Anthony Beven – For significant service to horticulture, to agriculture, and to rural youth. The Honourable Mark Alexander Birrell – For significant service to the infrastructure sector, and to business. Howard Michael Blake – For significant service to accounting, and to the public sector. Dr Soren Blau – For significant service to forensic medicine, and to scientific organisations. Andrew Wayne Blode – For significant service to children as an advocate for protection policy standards. Dr Lissant Mary Bolton – For significant service to the museums sector, and to anthropology. Simon George Bouda – For significant service to the television and print media, and to the community. Brian James Boulton – For significant service to the law, and to the judiciary, particularly to District Courts. John Bowe – For significant service to motorsport as a touring car driver.