C8
- 8C (disambiguation)
- AEG C.VIII
- AGO C.VIII
- ATC code C08
- C-8 (Cercanías Madrid)
- C8 (Eastern Europe)
- C8 (French TV channel)
- C8 Unemployment Indemnity (Shipwreck) Convention, 1920
- C8 carbine
- C8 complex
- Carbon-8
- Castle Infinity
- Celestron
- Cervical spinal nerve 8
- Chevrolet Corvette (C8)
- Chicago Express Airlines
- Cierva C.8
- Citroën C8
- De Havilland Canada DHC-5 Buffalo
- Eighth octave C
- Elbrus-8C
- Fairchild C-8
- Fokker C.VIII
- HMS C8
- Head and neck cancer
- LSWR C8 class
- NGC 559
- Perfluorooctanoic acid
- Ptfe
- Saturn C-8
- Sauber C8
- Spyker C8
- USS Raleigh (C-8)