Abstract Aim Oesophageal cancer is the seventh most common cancer worldwide and the sixth leading cause of cancer-related deaths, and it remains one of the hardest cancers to treat. Despite advances in the last decade, oesophageal cancer still has high morbidity and mortality burdens, and further research is needed to improve those outcomes. The aim of the Priority Setting Partnership was to bring together patients, family, caregivers, and the multidisciplinary healthcare team to identify and prioritise the most important unanswered questions for future research. Method Following the James Lind Alliance methodology, different stakeholders were asked to list their uncertainties about oesophageal cancer, which were then checked against existing evidence, categorised, and formed into questions. These then went through a survey for interim ranking, and those shortlisted were discussed at a final workshop to identify the Top 10 unanswered research questions. Results 230 responders to the initial survey, two-thirds of which were patients, revealed 365 uncertainties. After removing duplicates and previously answered questions, sixty-three remained for interim ranking, and twenty-five were shortlisted for the workshop. Participants agreed on their Top 10 priorities, which covered topics such as prevention, current and novel treatment options, nutrition, survivorship concerns, and risk factors for developing oesophageal cancer, particularly at a young age. Conclusions Patients, family members, carers, and healthcare professionals collaborated to identify the most important questions for oesophageal cancer research. The results can help direct funding and attention to the shared priorities of those with personal experiences living with and providing care for oesophageal cancer.