The 2023 King's Birthday Honours for Australia was announced on 11 June 2023 by the Governor-General, David Hurley.

The Birthday Honours are appointments by some of the 15 Commonwealth realms of King Charles III 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 King's Official Birthday celebrations during the month of June.

Order of Australia

Companion of the Order of Australia (AC) General Division The Honourable Colin James Barnett – For eminent service to the people and Parliament of Western Australia, particularly as Premier, to economic and infrastructure development, to social welfare reform, and to the Indigenous community. Emeritus Professor Caroline Isabel Bower – For eminent service to medical research as a paediatric epidemiologist, particularly in birth defects and early childhood development, to health and welfare through public health initiatives, and to medical education. Professor Glenda Margaret Halliday – For eminent service to medical research in the field of neurodegenerative disorders, including the development of revised diagnostic criteria for Parkinson's disease, and as a mentor. The late John Barry Humphries, – For eminent service to the arts as a comedian, actor, author, satirist and entertainer, to the promotion of Australian culture, and as a patron of organisations. Professor David John Hunter – For eminent service to medicine as an epidemiologist, particularly in relation to disease prevention and early detection, and to the aetiology of breast, colorectal, prostate and skin cancers. The Honourable Jennifer Louise Macklin – For eminent service to the people and Parliament of Australia, to social welfare, particularly the introduction of paid parental leave and the National Disability Insurance Scheme, and to the Indigenous community.

Officer of the Order of Australia (AO) General Division Clinical Associate Professor Robert Ali – For distinguished service to medical and health research, particularly drug and alcohol dependence, and to education and training. Dr Kerry John Breen, – For distinguished service to the advancement of ethical medical research, to the development of doctors' health programs, and as an author. Sally Anne Capp – For distinguished service to the people of Melbourne, to local government, to business, and to the community through various organisations. Josef Chromy, – For distinguished service to the community through tourism, particularly the wine and food sector, to property development, and charitable contributions. Professor Julie-Anne Considine – For distinguished service to medicine in the field of emergency nursing, to tertiary education, and to professional associations. Professor David Craik – For distinguished service to science in the field of biological and medicinal chemistry, to tertiary education, and as a mentor. Scientia Professor Louisa Jane Degenhardt – For distinguished service to medical research, particularly addiction and mental disorders, to psychology, and to professional associations. Distinguished Professor Kingsley Dixon – For distinguished service to conservation biology, particularly ecological research and restoration, and to tertiary education. Moya Dodd – For distinguished service to football as a player and administrator at the national and international level, as a role model to women, and to the law. Professor David Alan Ellwood – For distinguished service to medicine as an obstetrician and gynaecologist, to research and tertiary education, and to professional associations. Graham Bruce Ford, – For distinguished service to surf lifesaving through leadership roles at the national and international level, and to the community. Dr Cassandra Goldie – For distinguished service to social justice through leadership and advocacy to promote the rights of people marginalised and disadvantaged in the community. Professor Jane Gunn – For distinguished service to medical administration in leadership roles, to tertiary education and research, and to the community. Distinguished Professor Jane Patricia Hall – For distinguished service to the social sciences, to academic leadership and mentoring, and to national and international associations. Dr Marianne Horak – For distinguished service to entomology, to taxonomic and phylogenetic research, and to philanthropic endeavours. Professor Michael Horowitz – For distinguished service to endocrinology, particularly diabetes, as a researcher, educator and clinician. Rosemary Therese Huxtable, – For distinguished service to public administration through leadership roles in the areas of health and finance, and to strategic policy reform. Kate Michelle Jenkins – For distinguished service to human rights governance, to advancing gender equity, to the promotion of inclusivity, and to the law. Dr Misty Rayna Jenkins – For distinguished service to medical science as an immunologist, to the promotion of women in STEM, and to the Indigenous community. Clinical Professor Brendon John Kearney, – For distinguished service to medicine in the fields of health technology assessment and health outcomes research. Professor Michael Richard Kidd, – For distinguished service in medical administration and community health, to primary care leadership, and to tertiary education. Clinical Associate Professor Sharon Liberali – For distinguished service to special needs dentistry, to infection control practice enhancement, to tertiary education, and to professional organisations. Professor Glen Douglas Liddell-Mola – For distinguished service to obstetrics and gynaecology, to reproductive health research, and to medical education in the Pacific region. Clinical Professor Ruth Marshall – For distinguished service to rehabilitation medicine, particularly to people living with spinal cord injury or disorder, as a leader, mentor and clinician. Robert Dobson Millner – For distinguished service to business, to rugby union as an administrator, and to the community through philanthropic contributions. The Right Honourable The Lord Mayor of Sydney Clover Moore – For distinguished service to local government, to the people and Parliament of New South Wales, and to the community of Sydney. Nicholas William Moore – For distinguished service to the finance, business, and commerce sectors, to arts administration, and to education. Shellie Morris – For distinguished service to the performing arts, to the Indigenous community, and to not-for-profit organisations. Professor Grant Alan McArthur – For distinguished service to medicine as a clinician scientist through melanoma and cancer research, and to leadership roles. Marilyn Beatrice Pattison – For distinguished service to occupational therapy through national and international leadership roles, and to advances in practice standards. Orwell Peter Phillips – For distinguished service to heritage conservation, to architecture, and to professional organisations. Reginald John Richardson, – For distinguished service to community health organisations, and to the visual arts as a leader, supporter and patron. Dr Lynette Riley – For distinguished service to education, particularly through the development of Indigenous curriculum and student support, to reconciliation, and to the community. Alan Schwartz, – For distinguished service to the community through philanthropic endeavours, and to sustainable social benefit initiatives. Dr Sandra Penso Staffieri – For distinguished service to medicine as an orthoptist and vision researcher, and to paediatric ophthalmology. Irene May Stainton – For distinguished service to the Indigenous community through cultural heritage leadership, and through health and social welfare organisations. Scientia Professor Fiona Stapleton – For distinguished service to optometry as a researcher, mentor and role model, to tertiary education, and to national and international organisations. Naomi Claire Steer – For distinguished service to human rights through international humanitarian relief operations, and to the superannuation sector. Cheryl Anne Vardon – For distinguished service to public administration, particularly education and health, and for the protection of children and young people. Alan James Whalley – For distinguished service to business, particularly the defence capability industry, to the public sector, to aviation history, and to the community. Gerald Francis Williams – For distinguished service to critical care nursing, to medical education, to professional organisations, and as a mentor. Professor Donald Andrew Wilson – For distinguished service to medicine through public health leadership, to regulatory bodies, and to tertiary education. Lisa Jane Wilson – For distinguished service to primary industry, and to the education of refugee and asylum seeker young women. Timothy John Winton – For distinguished service to literature as an author and novelist, to conservation, and to environmental advocacy. Professor Erica Michelle Wood – For distinguished service to transfusion medicine and haemovigilance, to haematology, and to national and international organisations. Professor John Raymond Zalcberg, – For distinguished service to oncology as a clinician-researcher, and as an advocate for those living with cancer.

Military Division Navy Vice Admiral Mark David Hammond, – For distinguished service to the Royal Australian Navy in senior command roles.

Army Major General Natasha Anne Fox, – For distinguished service to the Australian Defence Force people capability as Head People Capability and Deputy Chief of Army.

Air Force Air Vice-Marshal Stephen Leslie Meredith, – For distinguished service in responsible positions as Commander Aerospace Operational Support Group; Head Joint Capability Management and Integration; and Deputy Chief of the Air Force.

Member of the Order of Australia (AM) General Division Dr Raymond John Adams – For significant service to education and psychometric testing. Dr Karin Jeanette Alexander – For significant service to dentistry, and to professional bodies. Yasmin Allen – For significant service to finance and business, and to the not-for-profit sector. John Geoffrey Allpass – For significant service to business, and to the community. The Honourable Justice Thomas Altobelli – For significant service to the law, and to legal education. David Thomas Anthony – For significant service to the agricultural sector, and to the community of Narrabri. Dr Tony Cecil Badrick – For significant service to diagnostic pathology in leadership roles, and to education. Professor Melanie Bahlo – For significant service to genetic and infectious disease research, and to public health. Fiona Elizabeth Balfour – For significant service to corporate governance, and to the aviation sector. Professor Josephine Penelope Barraket – For significant service to education, and to the development of social enterprise. Dr Elizabeth Barrett – For significant service to rural and remote medicine in various roles. Milton Ross Bartlett – For significant service to surf lifesaving in international, national and local roles. Professor Deborah Jane Bateson – For significant service to medicine through research and education, and to reproductive health. Robyn Ann Batten – For significant service to the not-for-profit, health and aged care sectors. Suzanne Becker – For significant service to the disability services sector. Jane Fair Bell – For significant service to governance in the medical research, healthcare, and not-for-profit sectors. Maria Berry – For significant service to football, to women in sport, and to business. Associate Professor Ravi Subramanya Bhat – For significant service to medicine, and to rural psychiatry. Professor Marcela Bilek – For significant service to physics and biomedical engineering.