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<h3>Background</h3> Cardiovascular complications from cancer therapies are an increasing concern as cancer survivorship grows. Cardiotoxicity risk requires ongoing, individualized care, as highlighted by 2022 ESC guidelines. However, clinical implementation of self-management strategies in this population remains unclear. <h3>Aim</h3> To map existing self-management support interventions for cancer survivors at risk of or experiencing cardiotoxicity, with a focus on interdisciplinary delivery models. <h3>Methods</h3> A scoping review was conducted following PRISMA-ScR guidelines. Six databases were searched for literature from 2015 to December 2025, supplemented by grey literature. An updated search was conducted in May 2025. Inclusion criteria covered studies involving adults surviving cancer and at risk of cardiotoxicity. Data were extracted on intervention types, settings, healthcare professional involvement, and reported outcomes. <h3>Results</h3> Out of 761 initial studies, 36 met inclusion criteria, with five added from grey literature and one from a May 2025 update. Interventions included exercise (96.7% combined or standalone), education, psychological support, and dietary components. Most were post-treatment (53.3%), centre-based (55.2%), and involved exercise professionals (76.7%). Breast cancer survivors comprised 44.3% of participants. Reported outcomes included improved cardiovascular markers, self-efficacy, and quality of life. However, few studies described routine clinical implementation. <h3>Conclusion</h3> There is growing evidence supporting self-management in cardio-oncology, yet limited integration into standard care. Interventions are predominantly exercise-based and led by allied health professionals. Greater standardisation and clarity are needed regarding optimal models, timing, and team composition. Findings will inform a British Heart Foundation-funded project exploring UK service provision for cancer patients at cardiotoxic risk.