C class
- C (disambiguation)
- C series (disambiguation)
- C-class Melbourne tram
- C-class Sydney tram
- C-class blimp
- C-class corvette (disambiguation)
- C-class cruiser
- C-class destroyer (disambiguation)
- C-class ferry
- C-class lifeboat
- C-class submarine (disambiguation)
- C-segment
- CIÉ 201 Class
- Class (disambiguation)
- Class C (disambiguation)
- Commonwealth Railways C class
- HP BladeSystem
- International C-class catamaran
- LCDR C class
- LNWR Class C
- MRWA C class
- Mercedes-Benz C-Class
- Metropolitan Railway C Class
- NBR C Class
- NZR C class (1873)
- NZR C class (1930)
- SECR C class
- Victorian Railways C class
- Victorian Railways C class (diesel)
- WAGR C class
- WAGR C class (1880)
- WAGR C class (diesel)
- WikiProject