Christian II generally refers to Christian II of Denmark. It may also refer to:
- Christian II (Archbishop of Mainz) (1179âÂÂ1253)
- Christian II, Count of Oldenburg (died 1233)
- Christian II, Elector of Saxony (1583âÂÂ1611)
- Christian II, Prince of Anhalt-Bernburg (1599âÂÂ1656)
- Christian II, Count Palatine of Zweibrücken-Birkenfeld (1637âÂÂ1717)
- Christian II, Duke of Saxe-Merseburg (1599âÂÂ1656)
- Christian August II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg (1798âÂÂ1869)
- Christian Ernest II, Duke of Saxe-Coburg-Saalfeld (1683âÂÂ1745)
- Christian Günther II, Count of Schwarzburg-Sondershausen-Arnstadt (1616âÂÂ1666)
- Christian Ludwig II, Duke of Mecklenburg-Schwerin (1683âÂÂ1756)
- Christian Ulrich II, Duke of Württemberg-Wilhelminenort (1691âÂÂ1734)