Ernest of Brunswick-Lüneburg

Ernest of Brunswick-Lüneburg may refer to:


 * Ernest I, Duke of Brunswick-Lüneburg (1497–1546), also called Ernest the Confessor
 * Ernest II, Duke of Brunswick-Lüneburg (1564–1611)
 * Ernest I, Duke of Brunswick-Grubenhagen (c.  1297–1361)
 * Ernest II, Duke of Brunswick-Grubenhagen (1418–1466)
 * Ernest III, Duke of Brunswick-Grubenhagen (1518–1567)
 * Ernest I, Duke of Brunswick-Göttingen (c. 1305–1367)
 * Ernest Ferdinand, Duke of Brunswick-Lüneburg (1682–1746)
 * Ernest Augustus, Elector of Brunswick-Lüneburg (1629–1698)
 * Ernest Augustus, Duke of Brunswick (1887–1953)
 * Duke Louis Ernest of Brunswick-Lüneburg (1718–1788)