Class 17

Class 17 may refer to:


 * APL-17-class barracks ship
 * British Rail Class 17, a British class of diesel locomotive
 * DRG Class 17, a German class of 4-6-0 tender locomotive
 * GWR 17 Class
 * LNER Class B17
 * New South Wales Z17 class locomotive, steam locomotive
 * NSB Cmb Class 17
 * NSB El 17, a Norwegian class of electric locomotive
 * R-17-class lifeboat
 * South African Class 17 4-8-0TT