Class 19

Class 19 may refer to:


 * Caledonian Railway 19 Class, 0-4-4T steam locomotives
 * Belgian Railways Class 19, electric locomotives
 * British Rail Class 19, an experimental locomotive
 * DRG Class 19, 2-8-2 express train, tender locomotives of the Deutsche Reichsbahn:
 * DRG Class 19.0
 * DRB Class 19.1
 * DRB Class 19.10
 * GER Class T19
 * KTM Class 19, diesel-electric shunting locomotives
 * New South Wales Z19 class locomotive, 0-6-0 steam locomotives
 * O 19-class submarine