Elisabeth of Bavaria (1478 – 15 September 1504) was a member of the House of Wittelsbach and, by marriage, Electress of the Palatinate. After her father's death, she was also Duchess of Bavaria-Landshut. In 1499 Elisabeth married Ruprecht of the Palatinate. She had twins, Rupert and George; they both died in 1504. Her other sons, Philip, Duke of Palatinate-Neuburg and Otto Henry, Elector Palatine survived into adulthood. Three days later, she, too, died of dysentery. She was interred in the Cistercian monastery of Seligenthal in Landshut.