| QC | Quality control | 质量控制 |
| QC | quartermaster corps | 陆军军需兵 |
| QC | Quad Cache | 四重缓存 |
| QC | Queen's Counsel | 英国王室法律顾问，御用大律师 |
| QC | QuakeC (C/C++ based language used to extend Quake) | QuakeC(C / c++语言用于扩展基于地震) |
| QC | Quick Capture (gaming) | 快速捕获（游戏） |
| QC | Quebec City | 魁北克市 |
| QC | Queen City (nickname for the city of Cincinnati, Ohio downtown area) | 皇后城（俄亥俄州辛辛那提市市区的昵称） |
| QC | quinine and colchicine | 奎宁和秋水仙碱 |
| QC | Quiet Channel (RCA two-way radio) | 静音频道（RCA双向收音机） |
| QC | Quantum Chemistry | 量子化学 |
| QC | Quarternary Center (ITU-T) | 军需中心（ITU-T） |
| QC | Questionable Causation | 可疑原因 |
| QC | Quezon City | 奎松市 |
| QC | Quebec City (Quebec, Canada) | 魁北克市（加拿大魁北克省） |
| QC | Quality Cost | 质量成本 |
| QC | Quorum Consensus | 法定人数共识 |
| QC | Quezon City (Metro Manila, Philippines) | 奎松市（菲律宾马尼拉） |
| QC | Quick Change | 快速更换 |
| QC | Quick Change (aircraft modification) | 快速更换（飞机改装） |
| QC | Quixote Center | 吉诃德中心 |
| QC | Quantum Computing | 量子计算 |
| QC | Quality Certificate | 质量证明书 |
| QC | Queen City | 皇后城 |
| QC | Quality Certified | 质量认证 |
| QC | Quite Close | 非常接近 |
| QC | Quad Cab | 四司机室 |
| QC | Qualifying Certificate | 合格证书 |
| QC | Quality Conversation | 质量对话 |
| QC | Quadro Color | 四边形颜色 |
| QC | Quantum Critical | 量子临界 |
| QC | Queens Council | 皇后区议会 |
| QC | Queen Of Clubs | 俱乐部女王 |
| QC | Quisling Councillor | Quisling议员 |
| QC | Quick Conversion | 快速转换 |
| QC | Quiet Compact | 安静紧凑型 |
| QC | Quentin Charles | 昆汀查尔斯 |
| QC | Quit Caring | 放弃关爱 |
| QC | Quad City | Quad城市 |
| QC | Quality Citeseer | 质量Citseer |
| QC | Quilters Companion | 被子伴侣 |
| QC | Questionable Content | 可疑内容 |
| QC | Quality Content | 质量内容 |
| QC | Quantum Cascade (type of laser) | 量子级联（激光器类型） |
| QC | Quietcomfort (Bose headphones) | 安静舒适（Bose耳机） |
| QC | Queen Creek (Arizona) | 皇后溪（亚利桑那州） |
| QC | Quick-Change | 快速更换 |
| QC | Queens College (New York) | 皇后学院（纽约） |
| QC | Quality Carriers (trucking company) | 质量承运商（卡车运输公司） |
| QC | Quebec Central (railway) | 魁北克中部（铁路） |
| QC | Queen's Counsel (UK) | 女王的律师(英国) |
| QC | Quality Conference | 质量会议 |
| QC | Questionable Content (webcomic) | 可疑内容（网络漫画） |
| QC | Quiet Chuckle | 安静的咯咯声 |
| QC | Quebec Central | 魁北克中部 |
| QC | Quickly Completed | 快速完成 |
| QC | QuÉbec (Province de QuÉbec) | QuÉbec (Province de QuÉbec) |
| QC | Quarter of Coverage | 覆盖范围的季度 |
| QC | Quarter Column (print advertising) | 季度专栏（印刷广告） |
| QC | Quickmaile Chainmaile | 快速邮件链接文件 |
| QC | Quartz Composer (Macintosh graphics tool) | Quartz Composer（Macintosh图形工具） |
| QC | Quasi-Cyclic | 准循环的 |
| QC | Quota Certificate | 配额证书 |
| QC | Quadratic Concave | 二次凹形 |
| QC | Quantity Comparison | 数量比较 |
| QC | Quattro Correnti | Quattro Correnti公司 |
| QC | Quality Controlled | 质量受控 |
| QC | Quantum Correction | 量子校正 |
| QC | Quay Crane | 码头起重机 |
| QC | Quick Core | 快速核心 |
| QC | Quantum Computer | 量子计算机 |
| QC | Query Containment | 查询包含 |
| QC | Quiet Client | 安静客户端 |
| QC | Quarter Circle | 四分之一圆 |
| QC | Queens Club | 皇后区俱乐部 |
| QC | Queen's Club | 皇后俱乐部 |
| QC | Quality Checked | 质量已检查 |
| QC | Queen Creek | 皇后溪 |
| QC | Quick Check | 快速检查 |
| QC | Quick Concept | 快速概念 |
| QC | Quarterly Conference | 季度会议 |
| QC | Quick Configure | 快速配置 |
| QC | Qualifying Capacity (electricity) | 合格容量（电力） |
| QC | pulmonary capillary blood flow | 肺毛细血管血流 |
| QC | Quick Connect | 快速连接 |
| QC | Quantum Counter | 量子计数器 |
| QC | Queen's Counsel | 英国王室法律顾问，御用大律师 |
| QC | pulmonary capillary blood volume | 肺毛细血管血容量 |
| QC | Quality Checking | 质量检查 |
| QC | Quantum Cryptography | 量子密码学 |
| QC | Quad Center | 四边形中心 |
| QC | Qwest Corporation | Qwest公司 |
| QC | Quantum Computation | 量子计算 |
| QC | Qualcomm Incorporated | 高通公司 |
| QC | Quality Circle | 质量圈 |
| QC | Quartz Crystal | 石英晶体 |
| QC | Quad Cane | 四根手杖 |