| MTIS | Meritor Tire Inflation System (system to regulate air pressure on truck tires) | Meritor轮胎充气系统（用于调节卡车轮胎气压的系统） |
| MTIS | Missile Instrumentation System | 导弹仪表系统 |
| MTIS | Multimodal Traveler Information Systems | 多式联运旅客信息系统 |
| MTIS | Mission Test Imaging System | 任务测试成像系统 |
| MTIS | Micro Test Item Stimulator | 微测试项目刺激仪 |
| MTIS | Maintenance Task Information System | 保养任务信息系统 |
| MTIS | Material Turned Into Store | 材料入库 |