| DIR | director | 董事 |
| DIR | direction | 定向 |
| DIR | directory | 目录 |
| DIR | Defence Industrial Research Programme | 国防工业研究计划 |
| DIR | Department of Industrial Research | 工业研究部 |
| DIR | Direktion | 董事会 |
| DIR | Depot Inspection & Repair | 检查和维修。油库 |
| DIR | Domestic Incident Report (NYPD) | 国内事件报告（NYPD） |
| DIR | Domestic Imagery Requirement (FEMA) | 国内图像要求（FEMA） |
| DIR | MacroMind Director Movie format | MacroMind导演电影格式 |
| DIR | Directive found in the Manual of Policy and Procedure | 政策和程序手册中的指令 |
| DIR | Direct(ed) | 直接（ed） |
| DIR | Doctors Insurance Reciprocal | 医生保险互惠 |
| DIR | Directorate | 部门 |
| DIR | Division Of Industrial Relations | 劳资关系司 |
| DIR | Digital Image Restoration | 数字图像恢复 |
| DIR | Directive | 指令 |
| DIR | Director's Office | 主任办公室 |
| DIR | Division of International Relations | 国际关系司 |
| DIR | Drug Intervention Record (UK) | 药物干预记录（英国） |
| DIR | Differentiated Reliability | 与众不同的可靠性 |
| DIR | Defense Intelligence Report | 国防情报报告 |
| DIR | Deposit Item Returned | 退回的存款项目 |
| DIR | Dirigent | 主管 |
| DIR | Direktor | 董事 |
| DIR | Doing it Right | 做对了 |
| DIR | Detection, Isolation, Recovery | 检测、隔离、恢复 |
| DIR | Daily Information Report | 每日信息报告 |
| DIR | Doing It Right (SCUBA diving) | 做对了（飞毛腿跳水） |
| DIR | Digital Audio Interface Receiver | 数字音频接口接收器 |
| DIR | Disassembly Inspection Report | 拆卸检查报告 |
| DIR | Department of Industrial Relations | 工业关系部 |
| DIR | double isomorphous replacement | 双同形置换术 |
| DIR | Dialing directory file (Procomm Plus) | 拨号目录文件（Procomm Plus） |
| DIR | dermal inflammatory reaction | 皮肤炎症反应 |
| DIR | Discovery Investigation Request | 发现调查请求 |
| DIR | Data Item Requirement | 数据项要求 |
| DIR | Dire Dawa, Ethiopia | 埃塞俄比亚Dire Dawa |
| DIR | Daiwa Institute of Research Ltd (Japan) | 大和研究院有限公司（日本） |
| DIR | Dad in Room (chat) | 爸爸在房间里（聊天） |
| DIR | Directory file | 目录文件 |