COSA is the national oncology community bringing together multidisciplinary health professionals across all cancers to advance care and improve outcomes.
As a COSA member, you will have opportunities to connect with oncology leaders, build networks and collaborations, access professional development and education, drive advocacy, and facilitate research.
COSA membership is open to healthcare professionals who have an interest in oncology relevant to the vision and mission of COSA. You are eligible for COSA membership if you hold a professional qualification, are working in healthcare or research, and devote a majority of your professional activity to cancer care and/or research.
Members of COSA Affiliated or Associated organisations are eligible for a discounted membership rate on selected individual membership types.
Membership is valid from 1 July to 30 June each year. Membership fees are GST inclusive. We accept Visa and Mastercard for payment.
If you are unsure which member type is right for you, please contact us.
Join or renew now and save! If you join or renew by 16 May 2025 you will secure the 2024 member rate before fees increase for 2025. New members will receive the remaining months of the 2024/25 financial year as a bonus, with membership running from date of joining to 30 June 2026.

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Individual
Memberships

Medical Member
This membership is for qualified clinical practitioners with a specific interest in oncology. Medical members hold a postgraduate degree or fellowship from a recognised College or Society, eg medical or radiation oncologists, surgeons, general practitioners etc.
- $295 / year
- $265 / year (Affiliated/Associated Medical Member rate)
Allied Health Member
This membership is for health professionals or non-medical professionals with a specific interest in cancer care, eg exercise physiologists, physiotherapists, pharmacists, psychologists, nutritionist/dietitians, radiation therapists, non-clinical administrative staff etc.
- $165 / year
- $145 / year (Affiliated/Associated Allied Health Member rate)

Nursing Member
This membership is for registered nurses with a specific interest in oncology, eg breast care nurses, clinical nurse consultants, nurse practitioners etc.
- $165 / year
- $145 / year (Affiliated/Associated Nursing Member rate)

Advanced Trainee Member
This membership is for doctors in specialty training with a specific interest in cancer care, who are eligible for this membership rate for the duration of their training, eg trainees in medical, radiation and surgical oncology.
- $165 / year
- $145 / year (Affiliated/Associated Advanced Trainee Member rate)
Student Member
A person who is undertaking undergraduate or postgraduate studies with a focus on cancer care in an Australian educational institution is eligible as a student member. Students must indicate an expected completion date on application and COSA may request documented evidence of student enrolment periodically.
- $50 / year
Retiree Member
A person who has retired from professional employment, has held COSA membership for 10 years prior to retirement, and has a continued personal interest in cancer care is eligible as a retiree member, subject to Board approval.
Please contact COSA [email protected] to enquire about Retiree Membership.
- $80 / year
Honorary Member
A person who has made significant and sustained contributions to COSA or to cancer care in general is eligible for admission as an Honorary Member. This membership category is offered to past Presidents of COSA and nominees and must be approved by the COSA Board.
Affiliated and Associated
Organisations
Interested in organisational membership?
Affiliated and Associated Organisations include not-for-profit companies, institutions or organisations that have a similar vision to COSA.
If your organisation is interested in becoming an Affiliated or Associated member of COSA visit the Member Organisations page for more information.
Member OrganisationsJoin Australia's leading oncology community & make an impact
Become a COSA memberTwitter
@COSAoncology
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COSAoncology 2 hours ago
Did you know ANZHNCS members can join COSA at a discounted rate? Thank you to @anzhncs for continuing Affiliated organisation membership with COSA. bit.ly/3s5mOC6
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COSAoncology 18 hours ago
Cancer pharmacists will gather in Melbourne this weekend for the COSA CPG Clinical Practice Course. There are streams for those with a basic knowledge and those with an advanced clinical level in oncology and haematology pharmacy practice.
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COSAoncology yesterday
Our April member newsletter is out now with Group updates, new resources, journal articles, oncology events and more. Check your inbox or view the COSA eNews online at bit.ly/42SWNrG
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COSAoncology yesterday
Join or renew as a COSA member by 16 May 2025 to make a saving! For members, your renewal email is in your inbox today. bit.ly/3hXsDLm
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COSAoncology 2 days ago
Cancer Nurses Society @CNSA_ORG, thank you for continuing your COSA Affiliated organisation membership. CNSA members are invited to save on COSA membership: bit.ly/3s5mOC6
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COSAoncology 7 days ago
Thank you @BCTrialsANZ for continuing your Affiliated organisation membership with COSA. BCT members can join or renew with COSA at discounted rates: cosa.org.au/membership/mem…
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COSAoncology 13 days ago
Thanks to the Australian Society of Medical Imaging and Radiation Therapy for renewing as a COSA Associated organisation. #ASMIRT members are invited to take advantage of discounted COSA membership: cosa.org.au/membership/mem…
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COSAoncology 14 days ago
Thank you, @PathologyRCPA for continuing as a COSA Affiliated organisation. Did you know RCPA members can join or renew with COSA at a discounted rate? bit.ly/3s5mOC6
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COSAoncology 15 days ago
The latest Cancer Pharmacists Group eNews in CPG members' inboxes and on the COSA website. Stay up to date and stay connected. bit.ly/3RhZY6Q
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COSAoncology 21 days ago
The latest Exercise Group eNews is out now with a recap of exercise at Cancer Survivorship 2025, project updates, and member publications. Check your inbox or login to your COSA member account bit.ly/4cI0nc3 to subscribe. View it online anytime at bit.ly/3E8IOpf
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