In the European Union the per capita alcohol consumption among adults (‎15+ years)‎ in 2019 was twice the world average, with one in 19 adults dying from alcohol-attributable causes, and three out of every 10 alcohol-attributable deaths due to cancers. WHO endorses alcohol labelling as a policy option to reduce alcohol-related harm. This can involve providing information on packaging about alcohol content, ingredients, nutritional information and health warnings. This report situates health warning labels within the broader context of alcohol policy, highlighting their roles in raising risk awareness, increasing support for other alcohol policies, and decreasing product appeal. The impact of these warnings will, however, depend on their content and design. The research summarized in this report shows that awareness of the link between alcohol and cancer among Europeans needs to be improved and that it could be significantly enhanced by use of a health warning giving information about alcohol as a cause of breast and colon cancer. Compared to other topics, cancer-specific warnings are more relevant and likely to prompt discussions about alcohol risks and encourage reconsideration of alcohol consumption. The report also addresses digital information provision, concluding that it cannot replace on-label information without losing message reach.