| Acronym | Definition |
|---|
| C2C | Corner to Corner (Crochet) |
| C2C | Cradle to Cradle (product design sustainability concept) |
| C2C | Chance to Change (various organizations) |
| C2C | Coast to Coast (walk) |
| C2C | Chance to Choose (various organizations) |
| C2C | Consumer-to-Consumer (commerce) |
| C2C | Capacity to Change (various organizations) |
| C2C | Car-to-Car (automotive technology) |
| C2C | Company-to-Company |
| C2C | Cheek to Cheek (Tony Bennett and Lady Gaga album) |
| C2C | Center to Center |
| C2C | Contract to Contract (employment) |
| C2C | Carrier to Carrier |
| C2C | Click to Call |
| C2C | Client to Client |
| C2C | Car to Car |
| C2C | Consumer to Consumer |
| C2C | Caveman to Cosmos (gaming) |
| C2C | Cam to Cam (webcam) |
| C2C | Connect to Community |
| C2C | Community to Community (Association; Bellingham, WA) |
| C2C | Colleague to Colleague (Kansas and Missouri; education) |
| C2C | Computer to Computer |
| C2C | Cloud to Coast |
| C2C | Classroom to Classroom (various locations) |
| C2C | Carrier to Carrier Telecom (Netherlands) |
| C2C | Coil to Can (aluminum can manufacturing) |
| C2C | Containers to Clinics (Dover, MA) |
| C2C | Corp to Corp |
| C2C | Chip-to-Chip (computer chip design) |
| C2C | Cash-To-Cash Cycle |
| C2C | Crude to Customer (energy value chain) |
| C2C | City 2 City (Singtel) |
| C2C | Care to Chat |
| C2C | Concept to Customer |
| C2C | Courage to Care |
| C2C | Command and Control Constellation |
| C2C | Cost to Company |
| C2C | Check to Check (money transfer) |
| C2C | College to Corporate |
| C2C | Cadet 2nd Class |
| C2C | Call to Consciousness (band) |
| C2C | Corporate-To-Corporate |
| C2C | Couples 2 Couples |
| C2C | Campus to Career (various schools) |