| FITS | FAA (Federal Aviation Administration) Industry Training Standard | FAA（联邦航空管理局）行业培训标准 |
| FITS | Functional Interpolation Transformation System | 函数插值变换系统 |
| FITS | Facility Identification Template for States | 各州的设施识别模板 |
| FITS | Furlough In To Service | 服役期间的休假 |
| FITS | Faculty Instructional Technology Support | 教师教学技术支持 |
| FITS | FAA Industry Training Standard | FAA行业培训标准 |
| FITS | Family Information Technology Service | 家庭信息技术服务 |
| FITS | File Image Transfer Software | 文件图像传输软件 |
| FITS | Fully Integrated Tactical System | 全集成战术系统 |
| FITS | Framework for ICT Technical Support | ICT技术支持框架 |
| FITS | Fruition IT Solutions LLC (Buffalo Grove IL) | Frution IT解决方案有限责任公司（伊利诺伊州布法罗格罗夫） |
| FITS | Field Issue Tracking System | 现场问题跟踪系统 |
| FITS | FAA/Industry Training Standards | FAA /行业培训的标准 |
| FITS | Functional Individual Training System | 功能性个人培训系统 |
| FITS | FORCEnet Implementation Tool Suite (US DoD) | FORCEnet实施工具套件（美国国防部） |
| FITS | Fixed Income Transaction Service | 固定收益交易服务 |
| FITS | Foreign Issues Tracking System | 国外问题跟踪系统 |
| FITS | Functional Interpolating Transformation System | 函数插值变换系统 |
| FITS | Future Integrated Telecommunications System | 未来综合电信系统 |
| FITS | Feeding Infants and Toddlers Study | 喂养婴幼儿研究 |
| FITS | Fleet Inventory Transaction System (USN) | 舰队库存交易系统（USN） |
| FITS | Flexible Image Transport System | 柔性图像传输系统 |
| FITS | Flexible Interchange Transport System | 柔性互通式运输系统 |
| FITS | Fault Isolation Test Set | 故障隔离测试集 |
| FITS | Fun in the Sun | 阳光下的乐趣 |
| FITS | Footprints In The Sand | 沙地上的脚印 |
| FITS | Flexible Image Transport Standard | 灵活的图像传输标准 |