| Acronym | Definition |
|---|
| QC | Quality Control |
| QC | Québec (Province de Québec) |
| QC | Queen's Counsel (UK) |
| QC | Quad Cities |
| QC | Quebec City (Quebec, Canada) |
| QC | Quick Connect |
| QC | Queen Creek (Arizona) |
| QC | Quick-Change |
| QC | Quality Center (Hewlett-Packard) |
| QC | Queens College (New York) |
| QC | Quezon City (Metro Manila, Philippines) |
| QC | Quality Checking |
| QC | Quick Change (aircraft modification) |
| QC | Queen City (nickname for the city of Cincinnati, Ohio downtown area) |
| QC | Quantum Cryptography |
| QC | Quantum Computation |
| QC | Questionable Content (webcomic) |
| QC | Quantum Cascade (type of laser) |
| QC | Qualcomm Incorporated |
| QC | Quietcomfort (Bose headphones) |
| QC | Quay Crane (logistics) |
| QC | Quartz Composer (Macintosh graphics tool) |
| QC | Quality Carriers (trucking company) |
| QC | Quad Cane |
| QC | Quartz Crystal |
| QC | Quality Conference |
| QC | QuakeC (C/C++ based language used to extend Quake) |
| QC | Quality Circle |
| QC | Quebec Central (railway) |
| QC | Quebec Central |
| QC | Quasi-Cyclic |
| QC | Qwest Corporation |
| QC | Quick Capture (gaming) |
| QC | Quarter Column (print advertising) |
| QC | Quickly Completed |
| QC | Quarter of Coverage |
| QC | Quiet Channel (RCA two-way radio) |
| QC | Quantum Conservation (physics) |
| QC | Quality of Conformance |
| QC | Quiet Chuckle |
| QC | Quad Center |
| QC | Qualifying Capacity (electricity) |
| QC | Quorum Consensus |
| QC | Quantum Counter |
| QC | Quota Certificate |
| QC | Quarternary Center (ITU-T) |
| QC | Quickmaile Chainmaile |