Class 11 may refer to:
British Rail Class 11 DB Class VT 11.5 DR Class E 11 EAR 11 class Emu Bay Railway 11 class GCR Class 11B GCR Class 11E GCR Class 11F Indian locomotive class WAG-11 JNR Class C11 JNR Class DE11 LNER Class Y11 LSWR L11 class LSWR S11 class NSB Class 11 NSB El 11 Queensland A11 class locomotive Queensland B11 class locomotive Ro-11-class submarine SCORE Class 11, off-road racing Baja Bug SNCB Class 11 Southern Pacific class AC-11 VR Class Dm11 VR Class Hr11 VR Class Vk11 YSD-11-class crane ship
See also Type 11 (disambiguation)