LMSI
| Acronym | Definition |
|---|---|
| LMSI | Latin Mass Society of Ireland |
| LMSI | Lower Manhattan Security Initiative |
| LMSI | Launch Manifest Systems Integrator (US Air Force) |
| LMSI | Local Mobile Station Identity |
| LMSI | Lockheed Martin Services, Inc. |
| LMSI | Local Mobile Subscriber Identity |
| LMSI | Laboratory Management Systems, Inc. |
| LMSI | Laser Magnetic Storage Incorporated |