William of Brunswick (disambiguation)

William of Brunswick may refer to:

• William of Winchester, Lord of Lüneburg (1184–1213)
• William I, Duke of Brunswick-Lüneburg (c. 1270–1292)
• William II, Duke of Brunswick-Lüneburg (1300–1369)
• William the Victorious, Duke of Brunswick-Lüneburg (c. 1392–1482)
• William IV, Duke of Brunswick-Lüneburg (c. 1425–1503)
• William the Younger, Duke of Brunswick-Lüneburg (1535–1592)
• William, Duke of Brunswick-Grubenhagen (c. 1298–1360)
• William Augustus, Duke of Brunswick-Harburg (1564–1642)
• Augustus William, Duke of Brunswick-Wolfenbüttel (1662–1731)
• August Wilhelm, Duke of Brunswick-Bevern (1715–1781)
• Charles William Ferdinand, Duke of Brunswick-Wolfenbüttel (1735–1806)
• Frederick William, Duke of Brunswick-Wolfenbüttel (1771–1815)
• William, Duke of Brunswick (1806–1884)