| LMOS | Loop Maintenance Operations System | 环路维护操作系统 |
| LMOS | Loop Maintenance Operations System (Lucent Technologies) | 环路维护操作系统（朗讯科技） |
| LMOS | Line Maintenance Operations System | 线路维护操作系统 |
| LMOS | Lithium Manganese Oxide Spinel (battery) | 锂锰氧化物尖晶石（电池） |
| LMOS | Lake Michigan Ozone Study | 密歇根湖臭氧研究 |
| LMOS | Loop Management Operating System | 循环管理操作系统 |
| LMOS | Last Measure Operating System | 最后测量操作系统 |
| LMOS | Learning Management Operating System | 学习管理操作系统 |