C2
- 2C (disambiguation)
- ACAZ C.2
- AEG C.II
- AEW Continental Classic
- AGO C.II
- Aeronca C-2
- Air Luxor
- Antihypertensives
- Apolipoprotein C2
- Bavarian C II (Ostbahn)
- Bavarian C II.1
- Bavarian C II.2
- Bill C-2
- Botnet
- C-2 (poison)
- C-2 Greyhound
- C-2 visa
- C2 (Code Geass)
- C2 (classification)
- C2 (consulting firm)
- C2 (protocol)
- C2 (space group)
- C2 (yacht)
- C2 Aquarii
- C2 Centauri
- C2 Pictures
- C2 class Melbourne tram
- C2 domain
- C2 error
- C2 explosive
- C2 pylon
- C2 radio class
- C2 regulatory sequence
- C2.com
- C2A1
- CII (disambiguation)
- CO2
- Central Circular Route (Shuto Expressway)
- Cervical spinal nerve 2
- Cervical vertebra 2
- Chevrolet Corvette (C2)
- Chlorophyll c2
- Cierva C.2
- Circumferential Road 2
- Citroën C2
- Cluster II (spacecraft)
- Coca-Cola C2
- Codec 2
- Command and control
- Common European Framework of Reference for Languages
- Complement component 2
- Conduit 2
- Controlled Substances Act
- Cryptomeria cipher
- DFW C.II
- Diatomic carbon
- Fokker C-2
- Ford C2 platform
- GNR Class C2
- Group C2
- Haplogroup C-M217
- HotSpot
- Human Y-chromosome DNA haplogroup
- ISO 216
- Kawasaki C-2
- Kawasaki C2
- LFG Roland C.II
- LNER Class C2
- LVG C.II
- London Buses route C2
- Low C
- Mei-Nikan Expressway
- NRS social grade
- Nimrod NRA/C2
- Procyanidin C2
- Prodelphinidin C2
- Saf-T-Liner C2
- Saturn C-2
- Trusted Computer System Evaluation Criteria
- Type C2 ship
- UEFA Cup Winners' Cup
- UEFA Europa League
- Vitamin C2
- Ward Cunningham