Wilhelm II (disambiguation)

Wilhelm II was German emperor and King of Prussia from 1888 to 1918.

Wilhelm II may also refer to:
 * William II of Isenburg-Wied (reigned 1383–88)
 * William II, Duke of Bavaria (reigned 1404–17)
 * William II, Landgrave of Hesse (reigned 1493–1509)
 * William II, Elector of Hesse (reigned 1821–47)
 * William II of Württemberg (reigned 1891–1918)