Arnold II

Arnold II may refer to:


 * Arnold II of Boulogne
 * Arnold II, Count of Looz (died 1146)
 * Arnold II Hahót (died after 1244), Hungarian baron
 * Arnold II, Count of Laurenburg (died 1158/59)
 * Arnold II of Horne (1339–1389)
 * Arnold II, Count of Cleves from 1198 through 1201, possibly as a regent