In late-March 2019 the United Kingdom is scheduled to leave the European Union. Will Brexit lead to Germany becoming the EU’s hegemon? The commentary explores the likely impact of Brexit on policy areas and intergovernmental politics in the EU. It focuses on the sources of German hegemony: structural, ideational and diplomatic power as well as the need for Germany’s role to be legitimate amongst partner states and to have domestic support. Two scenarios are suggested: the Franco-German partnership’s revival or a form of German hegemony.