| Acronym | Definition |
|---|
| TCOC➣Transmission Change over Protocol |
| TCOC➣Total Cost of Care (healthcare) |
| TCOC➣Tata Code of Conduct (Tata Ltd.) |
| TCOC➣Triumph Classic Owners Club (Ireland) |
| TCOC➣Tube Conducteur d'Onde de Choc (French: Driver Tube Shock Wave) |
| TCOC➣Triumph Club of the Carolinas (est. 1983) |
| TCOC➣Tall Club of Orange County (California) |
| TCOC➣The Church of Corinth (Corinth, TX) |
| TCOC➣Tele Centro Oeste Celular (Portuguese; Brazilian telecommunications company) |
| TCOC➣Transverse Cylindrical Orthomorphic Chart |
| TCOC➣Toronto Church of Christ (Toronto, Ontario, Canada) |