| MILS | Multiple Independent Levels of Security | 多个独立的安全级别 |
| MILS | Mission interministÉrielle de lutte contre les sectes (Interministerial Mission in the Fight Against Cults; France) | Mission interministÉrielle de lutte contre les sectes (Interministerial Mission in the Fight Against Cults; France) |
| MILS | Missile Impact Location System | 导弹撞击定位系统 |
| MILS | Maternally Inherited Leigh's Syndrome | Maternally继承了李·综合征 |
| MILS | Military Standard Logistics System | 军用标准后勤系统 |
| MILS | Microsoft International Language Services | Microsoft国际语言服务 |
| MILS | Michigan Indian Legal Services | 密歇根印第安法律服务 |