| Abbreviation | Definition |
|---|---|
| BSW | Before Star Wars |
| BT | Beginning of Time |
| BTGH | Bill The Galactic Hero |
| BTK | Build The Kingdom |
| BTTZ | Beyond The Twilight Zone |
| BYOA | Build Your Own Asteroid |
| BYOB | Bring Your Own Batleth |
| C | Cyclops |
| CAL | Chaos And Light |
| CAPER | Cleft Accelerated Plasma Experimental Rocket |
| CBI | Cyborg Bureau of Intelligence |
| CCC | Cosmic Camel Corps |
| CCS | Card Captor Sakura |
| CCS | Cruel Colollus Sword |
| CDA | Crimson Dawn Alliance |
| CDS | Colony Defence System |
| CEO | Chief Executioner Omnipotent |
| CEWL | Clandestine Environmental Warrior Liaison |
| CF | Clone Fiction |
| CF | Crystal Fighter |