C2
| Acronym | Definition |
|---|---|
| C2 | Command & Control |
| C2 | Axis (second cervical vertebra; common name) |
| C2 | Ethane |
| C2 | Canoe (two person) |
| C2 | Capability 2 |
| C2 | Clarity 2 (Everquest) |
| C2 | Coke 2 |
| C2 | Croc 2 (game) |
| C2 | Schedule II Controlled Substance (USA) |
| C2 | Costlink Controller |
| C2 | CPU State 2 (partial-sleep power-down mode, computing) |