| ITAS | Interim Theater ADP Service | 临时战区ADP服务 |
| ITAS | Integrated Training Administration System | 综合培训管理系统 |
| ITAS | Indigenous Tutorial Assistance Scheme (Australia) | 土著辅导援助计划（澳大利亚） |
| ITAS | Improved Target Acquisition System (US Army) | 改进的目标捕获系统（美国陆军） |
| ITAS | Indicated True Air Speed | 指示真空速 |
| ITAS | Improved Target Acquisition System | 改进的目标搜索系统 |
| ITAS | Integrated Time and Attendance System | 综合考勤系统 |
| ITAS | Information Technology Applications Specialist | 信息技术应用专家 |
| ITAS | It Takes All Sorts | 它需要所有种类 |
| ITAS | Integrated Telescope Automation System | 综合望远镜自动化系统 |
| ITAS | Internet Technology and Applied Systems | 互联网技术与应用系统 |
| ITAS | Integrated Tactical Attack System | 综合战术攻击系统 |
| ITAS | Integrated Target Acquisition System | 综合目标捕获系统 |
| ITAS | Integrated Tactics Assessment System | 综合战术评估系统 |
| ITAS | Inside the Actor's Studio (TV program) | 这位演员的工作室里(电视节目) |