| COC | Codes of Conduct | 行为守则 |
| COC | Chip On Chip | 芯片内建芯片 |
| COC | carriers own container | 船公司箱 |
| COC | Central Office Connection | 中心局连接 |
| COC | COnsulation Calling | 协商呼叫 |
| COC | Chain of Custody | 产销监管链认证 |
| COC | certification of completion | 完工合格证书 |
| COC | chamber of commerce | 商会 |
| COC | change of contract | 合同更改 |
| COC | chemical oxygen consumption | 化学耗氧量 |
| COC | combat operations center | 作战指挥中心 |
| COC | Certificate of Conformity | 符合标准证书 |
| COC | Computer on the Chip | 单板计算机 |
| COC | Customer Originated Change | 由买主引起的更改 |
| COC | Calcifying Odontogenic Cyst (oral pathology) | 钙化牙源性囊肿（口腔病理学） |
| COC | College of the Canyons | 加州圣塔克雷利塔峡谷学院 |
| COC | Code of Conduct | 行为准则 |
| COC | College Of Computing | 计算机学院 |
| COC | Christian Outreach Centre (church, Brisbane, Australia) | 基督教外展中心（教堂，布里斯班，澳大利亚） |
| COC | Commandant of Cadets | 军校学员队长 |
| COC | Cash On Cash | 现金对现金 |
| COC | Certificate Of Conformance | 批准证书 |
| COC | Carnival of Carnage (band) | 嘉年华嘉年华（乐队） |
| COC | Constituents of Concern | 关注的成分 |
| COC | Commission of Colleges | 学院委员会 |
| COC | Committees Of Correspondence (NY national political organization) | 通信委员会（纽约国家政治组织） |
| COC | Citizens Oversight Committee | 公民监督委员会 |
| COC | Crystals of Chaos (game) | 混沌水晶（游戏） |
| COC | Cocaine | 可卡因 |
| COC | Command Operations Center | 指挥作业中心 |
| COC | Change of Control | 控制权变更 |
| COC | Cost-Of-Consumables | 消耗品成本 |
| COC | Certificate of Coverage | 保险范围证书 |
| COC | Christ on A Crutch (punk rock band) | 基督在十字架上（朋克摇滚乐队） |
| COC | Conventional Operating Current | 常规工作电流 |
| COC | Commission on Certification | 认证委员会 |
| COC | CÍrculos Obreros Comunistas | CÍrculos Obreros Comunistas |
| COC | Council Of Clerics | 神职人员理事会 |
| COC | Chemical of Concern (environmental contaminant) | 关注化学品（环境污染物） |
| COC | Cash On Confirmation | 确认后兑现 |
| COC | Customer Order Cycle | 客户订单周期 |
| COC | Center on Cell (programming) | 单元格中心（编程） |
| COC | Corps Operations Center | 陆军作战中心 |
| COC | Centennial Outdoor Center | 百年户外中心 |
| COC | Cyclic Olefin Copolymer | 聚合物 |
| COC | Council of Chiefs (Order of the Arrow, Boy Scouts of America) | 酋长理事会（美国童子军箭骑士团） |
| COC | Colloidal Organic Carbon | 胶体有机碳 |
| COC | Carry Over Credit | 结转信贷 |
| COC | Container Operations Center | 集装箱运营中心 |
| COC | Cappuccino Owners Club | 卡布奇诺业主俱乐部 |
| COC | Corrosion Of Conformity (band) | 符合性腐蚀（带） |
| COC | Coastside Opportunity Center | 海岸边机会中心 |
| COC | Capital Approval Committee | 资本审批委员会 |
| COC | Continuance of Certification | 认证的持续性 |
| COC | Captain Of Communications | 通信队长 |
| COC | Current Operations Cell | 当前运营单元 |
| COC | Circle of Chaos | 混沌圈 |
| COC | Close-Open-Close | 关闭打开关闭 |
| COC | Coalition Operations Center | 联盟运营中心 |
| COC | Cultureel Ontspannings Centrum | 文化遗产中心 |
| COC | calcifying odontogenic cyst | 钙化牙源性囊肿 |
| COC | Certificate Of Compliance | 符合性证书 |
| COC | Continuity of Combustibility | 燃烧性的连续性 |
| COC | Course of Construction (insurance) | 施工过程（保险） |
| COC | Chain of Command | 指挥链 |
| COC | Corrosion Of Conformity | 符合性腐蚀 |
| COC | Certificate Of Competency | 合格证书 |
| COC | Canadian Options Course | 加拿大选项课程 |
| COC | Cleveland Open Cup | 克利夫兰公开赛 |
| COC | City of Chester | 切斯特市 |
| COC | Combined Oral Contraceptive | 联合口服避孕药 |
| COC | Canadian Opera Company | 加拿大歌剧院 |
| COC | Circle Of Companions | 朋友圈 |
| COC | Council of Canadians (Lobby Group) | 加拿大议会（游说团体） |
| COC | Cost Of Capital | 资本成本 |
| COC | Chinese Olympic Committee | 中国奥委会 |
| COC | Committees of Correspondence | 通信委员会 |
| COC | Contaminant of Concern | 关注的污染物 |
| COC | Certificate of Completion | 竣工证书 |
| COC | Conoco, Inc. (stock symbol) | 康菲石油公司（股票代码） |
| COC | Council on Competitiveness | 竞争力委员会 |
| COC | Cone of Cold (gaming, World of Warcraft) | 冷锥（游戏、魔兽世界） |
| COC | Centro Operativo Combinato (Italy) | Centro Operativo Combinato（意大利） |
| COC | Conoco, Inc. | 康菲石油公司。 |
| COC | Change of Command (military) | 指挥权变更（军事） |
| COC | Center of Competence | 能力中心 |
| COC | Control Of Corruption | 腐败的控制 |
| COC | Computer Operations Center | 计算机作战中心 |
| COC | Center of Concern | 关注中心 |
| COC | Cast Out Cookies | 丢弃Cookie |
| COC | Climb on Course | 沿航线爬高 |
| COC | Control Officer Console (US Navy watch station for Naval Gun Fire support) | 控制官控制台（美国海军舰炮火力支援监视站） |
| COC | Country of Commencement (airlines) | 开工国家（航空公司） |
| COC | Conventional Oxidation Catalyst | 常规氧化催化剂 |
| COC | Central Operating Compartment (submarine) | 中央操作舱（潜艇） |
| COC | Conditions Of Carriage (airlines \"fine print\") | 条件(航空公司“细则”) |
| COC | Cost Of Consummables | 消耗品成本 |
| COC | Continuum of Care | 护理的连续性 |
| COC | Centralized Operational Control | 集中运行控制 |