Johann Wilhelm II, Elector Palatine ("Jan Wellem" in Low German, English: "John William"; 19 April 1658 – 8 June 1716) is Elector Palatine (1690–1716), Duke Palatine of Neuburg/Danube (1690–1716), Duke of Jülich and Berg (1679–1716), and Duke of Upper Palatinate and Cham (1707–1714).
From 1697 onwards Johann Wilhelm is also Count of Megen.