| IOCR | Indiana and Ohio Central Railroad | 印第安纳州和俄亥俄州中央铁路 |
| IOCR | Intelligent Optical Character Recognition | 智能光学字符识别 |
| IOCR | Incremental Output Capital Ratio | 增量产出资本比率 |
| IOCR | Institute of Oil Crops Research | 油料作物研究所 |
| IOCR | Input/Output Configuration Register | 输入/输出配置寄存器 |
| IOCR | Input/Output Cross-Reference | 输入/输出显示 |
| IOCR | Input/Output Conformance Relation | 输入/输出一致性的关系 |
| IOCR | Indiana & Ohio Central Railroad | 印地安那州和俄亥俄州中央铁路 |
| IOCR | Individual Outage Capacity Region | 单个停运容量区域 |
| IOCR | Input Output Control Routine (operating system program) | 输入输出控制例程(操作系统程序) |