John of Brunswick-Lüneburg may refer to:

• John, Duke of Brunswick-Lüneburg (1242–1277)
• John I, Duke of Brunswick-Grubenhagen (before 1322–1367)
• John II, Duke of Brunswick-Grubenhagen (d. 1401), canon in Hildesheim, Einbeck and Mainz, son of Ernest I, Duke of Brunswick-Grubenhagen
• John Frederick, Duke of Brunswick-Lüneburg (1625–1679)

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