The ESMO Immuno-Oncology & Advanced Therapies Congress 2026, which will take place from 14 to 16 December 2026, onsite in London, United Kingdom, and online. A leading multidisciplinary forum for the global immuno-oncology community, this international meeting will bring together researchers, clinicians and other stakeholders to expand the frontiers of immuno-oncology through advanced therapies, with a strong focus on addressing the current scientific and clinical barriers to effective cancer immunotherapy. Covering the full spectrum from basic science to translational research and clinical development, the congress will highlight evolving immuno‑oncology approaches and advanced therapeutic strategies, reflecting the dynamic progress of the field across multiple areas of investigation.