Adolph II may refer to:

Adolph II de la Marck (Bishop) (1288–1344), Price-Bishop of Liège Adolph II of the Marck (died 1347), Count of the Marck Adolph II, Count of Nassau-Wiesbaden-Idstein (1386–1426) Adolph II of Nassau (c. 1423–1475), Archbishop of Mainz Adolph II, Prince of Anhalt-Köthen (1458–1526) Adolphus Frederick II, Duke of Mecklenburg-Strelitz (1658–1708)