| ITSB | Information Technology Solutions of Belize | 伯利兹的信息技术解决方案 |
| ITSB | Integrated Theater Signal Battalion (US Army) | 综合战区信号营（美国陆军） |
| ITSB | Information Technology Systems Bridge | 信息技术系统桥 |
| ITSB | Information Technology Systems Budget (IT Budget exhibits) | 信息技术系统预算（IT预算展品） |
| ITSB | Institut Teknologi dan Sains Bandung | 万隆科学技术研究所 |
| ITSB | Information Technology Services Branch (Government of Canada, Department of Public Works and Government Services) | 信息技术服务处（加拿大政府、公共工程和政府服务部） |
| ITSB | Improved Tangential-Sphere Bound | 改进的切向球体边界 |
| ITSB | Information Technology Services Bureau | 资讯科技服务局 |
| ITSB | Image Technology Standards Board | 图像技术标准委员会 |
| ITSB | Information Technology Systems Budget | 信息技术系统预算 |