| OCR | Optical Character Recognition | 光学字符识别 |
| OCR | Online Community Relations (gaming site) | 在线社区关系（游戏网站） |
| OCR | Oxygen Consumption Rate | 氧气消耗率 |
| OCR | Office of Civil Rights | 公民权利办公室 |
| OCR | Office for Civil Rights | 民事权利局 |
| OCR | Office of Collateral Responsibility | 负有附带责任的单位 |
| OCR | Outgoing Call Restriction | 呼出限制 |
| OCR | Optical Character Reader | 光学字符读取器 |
| OCR | Official Court Reporter | 官方法庭记者 |
| OCR | Official Cash Rate | 官方现金汇率 |
| OCR | Organizational Capability Review | 组织能力审查 |
| OCR | Operational Change Report | 活动变化报告 |
| OCR | On-Campus Recruitment | 校园招聘 |
| OCR | Operating Conditions Register | 操作条件登记 |
| OCR | Overclocked Remixes | 超额汇款 |
| OCR | Old Country Road | 旧乡村公路 |
| OCR | Original Cast Recording | 原始演员录制 |
| OCR | Oxford, Cambridge & RSA Examination Board | 牛津、剑桥、RSA审查委员会 |
| OCR | Office of Congressional Relations (OPM) | 国会关系办公室（OPM） |
| OCR | Open Collaborative Research | 开放式协作研究 |
| OCR | oculo-cerebro-renal syndrome | 眼脑肾综合征 |
| OCR | oculo-cardiac reflex | 眼心反射 |
| OCR | ocular countertorsion reflex | 眼反扭转反射 |
| OCR | ocular counterrolling | 眼球反向滚动 |
| OCR | Omnicare, Inc. | Omnicare公司。 |
| OCR | Oklahoma Central Railroad Company | 俄克拉荷马中央铁路公司 |
| OCR | Out Of Cycle Review | 周期外审查 |
| OCR | OCRobotics | OCRobotics公司 |
| OCR | Operational Capability Requirement | 作战能力要求 |
| OCR | Incoming fax transcribed to text (FAXGrapper) | 传入传真转录为文本（FAXGrapper） |
| OCR | Off the Cuff Remark | 袖口外备注 |
| OCR | One Critical Record | 一个关键记录 |
| OCR | Obsolete Card Reader | 过时的读卡器 |
| OCR | Online Computer Retrieval | 联机计算机检索 |
| OCR | Open Court Reading | 公开法庭阅读 |
| OCR | Over Consolidation Ratio | 过度整合比率 |
| OCR | Oxford, Cambridge, and RSA Examinations | 牛津、剑桥和RSA考试 |
| OCR | Open Care Record (medicine) | 开放式护理记录（医学） |
| OCR | Office of Community Relations | 社区关系办公室 |
| OCR | Orange County Register (newspaper) | 奥兰治县登记册（报纸） |
| OCR | Operational Capability Requirements | 作战能力要求 |
| OCR | Obligational Contractual Relations (customer-supplier model) | 义务合同关系（客户-供应商模型） |
| OCR | Off-Color Remark | 非彩色备注 |
| OCR | Organizational Change Request | 组织变更请求 |
| OCR | Office of Coal Research | 煤炭研究办公室 |
| OCR | Organization Change Request | 编制改变申请 |
| OCR | Ottawa Central Railway | 渥太华中央铁路 |
| OCR | Office Claim Representative | 办公室索赔代表 |
| OCR | Office of the Commissioner of Railroads | 铁路专员办公室 |
| OCR | On-Channel Repeater | 信道中继器 |
| OCR | Over Current Relay (power distribution) | 过电流继电器（配电） |
| OCR | One-Call Resolution | 一次通话解决方案 |
| OCR | Outage Capacity Region | 停机容量区域 |
| OCR | Outer Cell Region | 外部单元格区域 |
| OCR | Optical Control Room | 光学控制室 |
| OCR | Outstanding Claims Reserve (insurance) | 未决赔款准备金（保险） |
| OCR | Oil Circuit Recloser | 油路重合闸 |