Charles Theodore (German: Karl Theodor) (12 December 1724 – 16 February 1799) was the Duke of Bavaria from 1777 until 1799, the Elector Palatine from 1742 until 1799, the Count Palatine of Sulzbach from 1733 until 1799, and the Margrave of Bergen op Zoom from 1728 until 1747 and 1748 until 1795.