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)