| OCM | Oracle Certified Master | Oracle 认证资深专家 |
| OCM | Organization for Competitive Markets | 竞争市场组织 |
| OCM | Outlook Calendar Meeting (Microsoft Outlook) | Outlook日历会议（Microsoft Outlook） |
| OCM | On-Camera Meteorologist (The Weather Channel) | 镜头气象专家（气象频道） |
| OCM | Organizational Configuration Management | 组织配置管理 |
| OCM | Order Change Management | 订单变更管理 |
| OCM | Optical Countermeasures | 光学对策 |
| OCM | Orange County Materials (OCM Test Laboratories, Inc.) | 奥兰治县材料公司（OCM Test Laboratories，Inc.） |
| OCM | Operations Cost Model | 运营成本模型 |
| OCM | Outgoing Communications Manager (US Navy) | 离任通信经理（美国海军） |
| OCM | Organizational Change Management | 组织变革管理 |
| OCM | Olympic Council of Malaysia | 马来西亚奥林匹克委员会 |
| OCM | Order of Crescent Moon (Odyssey Classic guild) | 新月骑士团（奥德赛经典公会） |
| OCM | Operational Coordination Message | 操作协调消息 |
| OCM | Operations Centre Manager | 运营中心经理 |
| OCM | Override Control Mode | 超越控制模式 |
| OCM | Onondaga Cortland Madison (counties in New York) | Onondaga Cortland Madison（纽约州各县） |
| OCM | Olimpiadas Colombianas de MatemÁticas (Colombia) | Olimpiadas Colombianas de MatemÁticas (Colombia) |
| OCM | Oracle Certified Master (database administrator certification) | Oracle Certified Master（数据库管理员认证） |
| OCM | Optical Channel Monitor | 光信道监视器 |
| OCM | oral contraceptive medication | 口服避孕药 |
| OCM | Ole Control Message | Ole控制消息 |
| OCM | Online Courses Magazine | 在线课程杂志 |
| OCM | Oil Cleansing Method | 油清洁方法 |
| OCM | Ocean Chinese Mission | 海洋中国代表团 |
| OCM | Owner Content Management | 所有者内容管理 |
| OCM | On Camera Meteorologist | 镜头气象学家 |
| OCM | On Campus Marketing | 校园营销 |
| OCM | Old Cider Mill | 老苹果酒厂 |
| OCM | Onondaga-Cortland-Madison counties | Onondaga Cortland Madison县 |
| OCM | Omis Compliant Monitoring | Omis合规监控 |
| OCM | Operating Computer Module | 操作计算机模块 |
| OCM | Openness Clarity And Musicality | 开放、清晰和音乐性 |
| OCM | One Click Ministry | 一键式部 |
| OCM | Order Of Civil Merit | 民事判决书 |
| OCM | Outline Of Cultural Materials | 文化材料大纲 |
| OCM | Online Call Management | 在线呼叫管理 |
| OCM | Ownership Collection Master | 所有权集合主 |
| OCM | Optical Channel Multiplexer | 光信道复用器 |
| OCM | Orbit Correction Maneuver (NASA) | 轨道修正机动（NASA） |
| OCM | Oswal Cloth Mills | 奥斯瓦尔纺织厂 |
| OCM | Operator Configuration Message | 操作员配置消息 |
| OCM | Organization Computer Manager | 组织计算机经理 |
| OCM | Ocean City, Maryland | 马里兰州海洋城 |
| OCM | Outer Carton Mark | 外箱标记 |
| OCM | Operating Curve Management | 运行曲线管理 |
| OCM | Orihuela Costa Magazine | Orihuela Costa杂志 |
| OCM | Oil Content Monitor | 油含量监测器 |
| OCM | Office of Compliance Monitoring | 合规监督办公室 |
| OCM | Ohio Columbus Mission (LDS church) | 俄亥俄州哥伦布传教会（LDS教堂） |
| OCM | open chest massage | 开胸按摩 |
| OCM | Operating Committee Meeting | 运营委员会会议 |
| OCM | Operating Capability Maintenance | 操作能力维护 |
| OCM | Ocean Color Mission | 海洋颜色任务 |
| OCM | Operational Change Memorandum | 运营变更备忘录 |
| OCM | Overhead Costing Module | 间接成本模块 |
| OCM | On Condition Maintenance | 状态维护 |
| OCM | Ocean Circulation Model | 海洋环流模型 |