Maximilian Henry of Bavaria (German: Maximilian Heinrich von Bayern: 8 October 1621 – 3 June 1688) was the third son and fourth child of Albert VI, landgrave of Leuchtenberg and his wife, Mechthilde von Leuchtenberg. In 1650, he was named Archbishop-Elector of Cologne, Bishop of Hildesheim and Bishop of Liège succeeding his uncle, Ferdinand of Bavaria. He worked throughout his career with the French to limit the authority of the Holy Roman Emperor, and participated in the Franco-Dutch War on the opposite side from the Empire.