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)
This disambiguation page lists articles about people with the same name.
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