| Acronym | Definition |
|---|
| ROC | Registration of Company |
| ROC | Receiver Operating Characteristic (signal detection theory) |
| ROC | Rate of Change |
| ROC | Republic of China |
| ROC | Republic of Congo |
| ROC | Race of Champions |
| ROC | Roc-A-Fella Records (music label) |
| ROC | Record of Communication |
| ROC | Rules of Conduct (various organizations) |
| ROC | Reign of Chaos (game) |
| ROC | Region Of Convergence |
| ROC | Retin-Ox Correxion (cosmetics) |
| ROC | Reflection of Christ |
| ROC | Radius of Curvature |
| ROC | Registrar of Contractors (Arizona) |
| ROC | Rex Orange County (musician) |
| ROC | Report on Compliance (payment card industry) |
| ROC | Rate of Climb |
| ROC | Right of Center |
| ROC | Report of Contributions (various organizations) |
| ROC | Record of Conversation (summary of a verbal conversation, to establish a formal, dated record) |
| ROC | Renovation of the Church (book) |
| ROC | Radar Operations Center (NOAA, NEXRAD) |
| ROC | Registry of Companies |
| ROC | Return on Capital |
| ROC | Rated Operating Capacity |
| ROC | Russian Orthodox Church |
| ROC | Recurrent Ovarian Cancer |
| ROC | Relationship of Command (At the Drive-In music album) |
| ROC | Regional Operations Center |
| ROC | Rehearsal of Concept (military drills) |
| ROC | Rest of Canada (political party) |
| ROC | Report on Carcinogens (US Department of Health and Human Services) |
| ROC | Regional Organisation of Councils (Australia) |
| ROC | Receipt of Comments |
| ROC | Regional Operation Center |
| ROC | Read Out Chip |
| ROC | Register of Copyrights |
| ROC | Reactive Organic Compounds |
| ROC | Royal Observer Corps |
| ROC | Registro degli Operatori di Comunicazione |
| ROC | Remote Operations Centre (various locations) |
| ROC | Rust-Oleum Corporation (various locations) |
| ROC | Report on Comments |
| ROC | Restaurant Opportunities Center |
| ROC | Recovery-Oriented Computing |
| ROC | Republic of Croatia |
| ROC | Research on Crops (International Journal on Crops) |
| ROC | Renewable Energy Certificate (ernecy commodity) |
| ROC | Reconnaissance Optique de Caractères (French: Optical Character Recognition; video coding) |
| ROC | Rail Operations Center |
| ROC | Renewable Obligation Certificate (UK Energy Supply Market) |
| ROC | Recovery Operations Center |
| ROC | Receptor-Operated Calcium Channel |
| ROC | Required Operational Capability |
| ROC | Rescue Operations Center |
| ROC | Rights of Children |
| ROC | Raleigh Orthopaedic Clinic (North Carolina) |
| ROC | Radio on a Chip |
| ROC | Raid on A Chip |
| ROC | Regional Oversight Committee |
| ROC | Russian Organized Crime |
| ROC | Regional Operating Center |
| ROC | Riverfront Office Center (Harrisburg, PA) |
| ROC | Relative Operating Characteristic (mathematics) |
| ROC | Regionaal Opleidings Centrum (Dutch; Flevoland, Holland) |
| ROC | Resource Opportunities Centre (Canada) |
| ROC | Reconnaissance Operations Center |
| ROC | Reach Out Central (educational game) |
| ROC | Received on Certificate (Quaker religion) |
| ROC | Restricted Operator's Certificate |
| ROC | Rally of Canberra (motorsports) |
| ROC | Regional Office Coordinator |
| ROC | Regional Operations Controller |
| ROC | Receiving Operating Characteristic |
| ROC | Rocketry Organization of California |
| ROC | Repertory Opera Company (Pomona, CA) |
| ROC | Riley Outpatient Center (Indianapolis, IN) |
| ROC | Remote Object Communications (computing) |
| ROC | Remote Operations Controller |
| ROC | Recovery Opportunity Center (various locations) |
| ROC | Report of Compliance |
| ROC | Run of Category (Internet marketing) |
| ROC | Research Into Ovarian Cancer |
| ROC | Rise of Chaos (Shadowbane expansion pack) |
| ROC | Risk Oversight Committee (various organizations) |
| ROC | Rendezvous Observation City (hotel; Australia) |
| ROC | Russian Outreach Center (Russia) |
| ROC | Rochester, NY, USA - Monroe County Airport (Airport Code) |
| ROC | Record Of Charge (American Express) |
| ROC | Revival Outreach Center |
| ROC | Read-Out Controller |
| ROC | Rensselaer Outing Club (Troy, NY) |
| ROC | Regional Oversight Contract |
| ROC | Right Outer Canthus |
| ROC | Romanian Olympic Committee |
| ROC | Renault Owners Club (car club) |
| ROC | Resource Organization Code |
| ROC | Resource Operations Center |
| ROC | Roller Olympique Club (French roller hockey club) |
| ROC | Rochdale Owners Club (UK) |
| ROC | Rest of Caribbean (Sprint) |
| ROC | Range Operations Commander |
| ROC | Revenue Object Code |
| ROC | Resume Operations Center (NASA) |
| ROC | Repeatered Optical Cable |
| ROC | Reduced Operations Center (NASA) |
| ROC | Rear Operation Cell |
| ROC | Regional Oxygen Concentration |
| ROC | Reporting Organization Code |
| ROC | Radiations Operations Committee (UK) |
| ROC | Rigid Overhead Catenary (cable) |
| ROC | Required Operational Center |
| ROC | Residual Operating Current |
| ROC | Release Of Credits (insurance) |
| ROC | Relational Operator Coverage |
| ROC | Reference of Call (telecommunications) |
| ROC | Repair Order Cycle |
| ROC | Random Operation Control |