Class 33

Class 33 may refer to:


 * British Rail Class 33, a British diesel locomotive class.
 * The following German, passenger train, steam locomotives with a 4-8-0 wheel arrangement operated by the Deutsche Reichsbahn:
 * Class 33.0: BBÖ 570
 * Class 33.1: BBÖ 113
 * Class 33.2: PKP Class Os24